Test Bank for Algebra and Trigonometry Enhanced with Graphing Utilities, 6th Edition Michael Sullivan

Test Bank for Algebra and Trigonometry Enhanced with Graphing Utilities, 6th Edition Michael Sullivan Exam Name___________________________________ MULTIPLE CHOICE. Choose the one alternative that best completes the statement or answers the question. List the intercepts for the graph of the equation. 1) y = x + 6 A) ( -6, 0), (0, -6) B) ( -6, 0), (0, 6) C) ( 6, 0), (0, -6) D) ( 6, 0), (0, 6) 1) _______ 2) y = 3x A) (0, 3) B) ( 3, 3) C) ( 3, 0) D) (0, 0) 2) _______ 3) = x + 81 A) ( 9, 0), (0, 81), (0, -81) B) (0, -9), (-81, 0), (0, 9) 3) _______ C) (0, -9), (81, 0), (0, 9) D) (-9, 0), (0, -81), ( 9, 0) 4) y = A) (1, 1) B) (0, 1) C) (1, 0) D) (0, 0) 4) _______ 5) + y - 1 = 0 A) ( 1, 0), (0, 1), (0, -1) B) (-1, 0), (0, -1), ( 1, 0) 5) _______ C) (-1, 0), (0, 1), ( 1, 0) D) (0, -1), (1, 0), (0, 1) 6) 4 + 9 = 36 A) (-2, 0), (-3, 0), ( 3, 0), ( 2, 0) B) (-9, 0), (0, -4), (0, 4), ( 9, 0) 6) _______ C) (-4, 0), (-9, 0), ( 9, 0), ( 4, 0) D) (-3, 0), (0, -2), (0, 2), ( 3, 0) 7) 4 + = 4 A) (-4, 0), (0, -1), (0, 1), ( 4, 0) B) (-1, 0), (0, -4), (0, 4), (1, 0) 7) _______ C) (-1, 0), (0, -2), (0, 2), (1, 0) D) (-2, 0), (0, -1), (0, 1), ( 2, 0) 8) y = - 27 A) (-27, 0), (0, 3) B) (0, -3), (-3, 0) C) (0, -27), ( 3, 0) D) (0, -3), (0, 3) 8) _______ 9) y = - 16 A) (0, 16) B) (0, -16) 9) _______ C) (0, -16), (-2, 0), ( 2, 0) D) (0, 16), (-2, 0), ( 2, 0) 10) y = x2 + 8x + 12 A) (0, 2), (0, 6), ( 12, 0) B) ( 2, 0), ( 6, 0), (0, 12) 10) ______ C) (0, -2), (0, -6), ( 12, 0) D) (-2, 0), (-6, 0), (0, 12) 11) y = + 16 A) ( 16, 0), (0, -4), (0, 4) B) (0, 16), ( -4, 0), ( 4, 0) 11) ______ C) (0, 16) D) ( 16, 0) 12) y = 12) ______ A) (0, -5), (0, 0), (0, 5) B) (0, 0) C) (-25, 0), (0, 0), ( 25, 0) D) (-5, 0), (0, 0), ( 5, 0) 13) y = 13) ______ A) (0, -7), (0, 7) B) (-49, 0), (0, 0), ( 49, 0) C) (-7, 0), ( 7, 0) D) (0, 0) Plot the point A. Plot the point B that has the given symmetry with point A. 14) A = ( -3, 5); B is symmetric to A with respect to the x-axis 14) ______ A) B) C) D) 15) A = (0, 3); B is symmetric to A with respect to the origin 15) ______ A) B) C) D) List the intercepts of the graph.Tell whether the graph is symmetric with respect to the x-axis, y-axis, origin, or none of these. 16) 16) ______ A) intercepts: (0, -4) and (0, 4) symmetric with respect to y-axis B) intercepts: ( -4, 0) and ( 4, 0) symmetric with respect to origin C) intercepts: (0, -4) and (0, 4) symmetric with respect to x-axis, y-axis, and origin D) intercepts: ( -4, 0) and ( 4, 0) symmetric with respect to x-axis, y-axis, and origin 17) 17) ______ A) intercepts: (0, 5) and (0, -5) symmetric with respect to x-axis, y-axis, and origin B) intercepts: ( 5, 0) and ( -5, 0) symmetric with respect to x-axis, y-axis, and origin C) intercepts: ( 5, 0) and ( -5, 0 symmetric with respect to y-axis D) intercepts: (0, 5) and (0, -5) symmetric with respect to origin 18) 18) ______ A) intercept: (0, 7) no symmetry B) intercept: ( 7, 0) symmetric with respect to y-axis C) intercept: (0, 7) symmetric with respect to x-axis D) intercept: ( 7, 0) no symmetry 19) 19) ______ A) intercept: (0, 1) symmetric with respect to originB) intercept: ( 1, 0) symmetric with respect to y-axis C) intercept: (0, 1) symmetric with respect to y-axis D) intercept: ( 1, 0) symmetric with respect to x-axis 20) 20) ______ A) intercepts: (-1, 0), (0, 0), ( 1, 0) symmetric with respect to x-axis B) intercepts: (-1, 0), (0, 0), ( 1, 0) symmetric with respect to origin C) intercepts: (-1, 0), (0, 0), ( 1, 0) symmetric with respect to x-axis, y-axis, and origin D) intercepts: (-1, 0), (0, 0), ( 1, 0) symmetric with respect to y-axis Draw a complete graph so that it has the given type of symmetry. 21) Symmetric with respect to the y-axis 21) ______ A) B) C) D) 22) origin 22) ______ A) B) C) D) 23) Symmetric with respect to the x-axis 23) ______ A) B) C) D) List the intercepts and type(s) of symmetry, if any. 24) = x + 4 A) intercepts: ( -4, 0), (0, 2), (0, -2) symmetric with respect to x-axis B) intercepts: (0, 4), ( 2, 0), ( -2, 0) symmetric with respect to y-axis 24) ______ C) intercepts: (0, -4), ( 2, 0), ( -2, 0) symmetric with respect to y-axis D) intercepts: ( 4, 0), (0, 2), (0, -2) symmetric with respect to x-axis 25) 9 + 4 = 36 A) intercepts: ( 2, 0), ( -2, 0), (0, 3), (0, -3) symmetric with respect to x-axis and y-axis 25) ______ B) intercepts: ( 2, 0), ( -2, 0), (0, 3), (0, -3) symmetric with respect to x-axis, y-axis, and origin C) intercepts: ( 3, 0), ( -3, 0), (0, 2), (0, -2) symmetric with respect to x-axis and y-axis D) intercepts: ( 3, 0), ( -3, 0), (0, 2), (0, -2) symmetric with respect to the origin 26) y = 26) ______ A) intercept: (0, 0) symmetric with respect to y-axis B) intercept: (0, 0) symmetric with respect to x-axis C) intercept: (0, 0) symmetric with respect to originD) intercepts: ( 2, 0), (-2, 0), (0, 0) symmetric with respect to origin Determine whether the graph of the equation is symmetric with respect to the x-axis, the y-axis, and/or the origin. 27) y = x + 5 A) y-axis 27) ______ B) x-axis C) origin D) x-axis, y-axis, origin E) none 28) y = -2x A) x-axis 28) ______ B) y-axis C) origin D) x-axis, y-axis, origin E) none 29) + y - 1 = 0 A) y-axis 29) ______ B) origin C) x-axis D) x-axis, y-axis, origin E) none 30) - x - 64 = 0 A) x-axis 30) ______ B) origin C) y-axis D) x-axis, y-axis, origin E) none 31) 4 + 16 = 64 A) x-axis 31) ______ B) origin C) y-axis D) x-axis, y-axis, origin E) none 32) 16 + = 16 A) x-axis 32) ______ B) y-axis C) origin D) x-axis, y-axis, origin E) none 33) y = x2 + 11x + 30 A) origin 33) ______ B) x-axis C) y-axis D) x-axis, y-axis, origin E) none 34) y = 34) ______ A) y-axis B) origin C) x-axis D) x-axis, y-axis, origin E) none 35) y = 35) ______ A) x-axis B) origin C) y-axis D) x-axis, y-axis, origin E) none 36) y = 5x2 + 2 A) y-axis 36) ______ B) origin C) x-axis D) x-axis, y-axis, origin E) none 37) y = (x - 4)(x + 9) A) origin 37) ______ B) x-axis C) y-axis D) x-axis, y-axis, origin E) none 38) y = -7x3 + 2x A) y-axis 38) ______ B) x-axis C) origin D) x-axis, y-axis, origin E) none 39) y = -9x4 + 8x + 7 A) x-axis 39) ______ B) origin C) y-axis D) x-axis, y-axis, origin E) none Solve the problem. 40) If a graph is symmetric with respect to the y-axis and it contains the point (5, -6), which of the following points is also on the graph? 40) ______ A) (5, -6) B) (-5, 6) C) (-6, 5) D) (-5, -6) 41) If a graph is symmetric with respect to the origin and it contains the point (-4, 7), which of the following points is also on the graph? 41) ______ A) (-4, -7) B) (4, -7) C) (7, -4) D) (4, 7) Graph the equation by plotting points. 42) y = 42) ______ A) B) C) D) 43) x = 43) ______ A) B) C) D) 44) y = 44) ______ A) B) C) D) 45) y = 45) ______ A) B) C) D) Find the slope of the line through the points and interpret the slope. 46) 46) ______ A) 3; for every 1-unit increase in x, y will increase by 3 units B) -3; for every 1-unit increase in x, y will decrease by 3 units C) - ; for every 3-unit increase in x, y will decrease by 1 unit D) ; for every 3-unit increase in x, y will increase by 1 unit Find the slope of the line. 47) 47) ______ A) B) - C) 3 D) - 3 48) 48) ______ A) -4 B) 4 C) 1 D) -1 49) 49) ______ A) -1 B) 1 C) -5 D) 5 50) 50) ______ A) 2 B) C) - D) -2 Find the slope of the line containing the two points. 51) ( 1, -2); ( -7, 7) A) - B) - C) D) 51) ______ 52) ( 9, 0); (0, 4) A) B) - C) - D) 52) ______ 53) ( -2, -5); ( 5, -8) A) B) C) - D) - 53) ______ 54) ( -2, -1); ( -2, -2) A) 0 B) -1 C) 1 D) undefined 54) ______ 55) ( 9, -7); ( -2, -7) A) -11 B) C) 0 D) undefined 55) ______ Graph the line containing the point P and having slope m. 56) P = ( 2, -8); m = - 56) ______ A) B) C) D) 57) P = ( -2, -3); m = 57) ______ A) B) C) D) 58) P = ( -2, -6); m = -1 58) ______ A) B) C) D) 59) P = (0, 5); m = 59) ______ A) B) C) D) 60) P = (0, 2); m = - 60) ______ A) B) C) D) 61) P = (-5, 0); m = 61) ______ A) B) C) D) 62) P = ( 3, 0); m = - 1 62) ______ A) B) C) D) 63) P = ( -9, 5); m = 0 63) ______ A) B) C) D) 64) P = ( -9, -10); slope undefined 64) ______ A) B) C) D) Find an equation for the line with the given properties. 65) Slope undefined; containing the point ( 10, -8) A) y = 10 B) y = -8 C) x = -8 D) x = 10 65) ______ 66) Vertical line; containing the point ( 3, -9) A) x = -9 B) y = 3 C) x = 3 D) y = -9 66) ______ 67) Slope undefined; containing the point 67) ______ A) y = 8 B) x = - C) x = 8 D) y = - 68) Vertical line; containing the point ( -5.0, -6.4) A) x = -5.0 B) x = 0 C) x = -6.4 D) x = 11.4 68) ______ Find the slope-intercept form of the equation of the line with the given properties. 69) Horizontal; containing the point ( 1, 3) A) y = 3 B) x = 3 C) x = 1 D) y = 1 69) ______ 70) Slope = 0; containing the point ( -6, 5) A) y = -6 B) y = 5 C) x = 5 D) x = -6 70) ______ 71) Horizontal; containing the point 71) ______ A) y = -2 B) y = - C) y = 2 D) y = 0 72) Horizontal; containing the point ( 6.9, 3.8) A) y = 3.8 B) y = 10.7 C) y = 0 D) y = 6.9 72) ______ Find the slope of the line and sketch its graph. 73) y + 3 = 0 73) ______ A) slope = 0 B) slope = - C) slope = -3 D) slope is undefined Find the slope-intercept form of the equation of the line with the given properties. 74) Slope = 4; containing the point ( -2, -4) A) y = 4x - 4 B) y = -4x + 4 C) y = 4x + 4 D) y = -4x - 4 74) ______ 75) Slope = 0; containing the point ( -3, -10) A) y = -3 B) x = -10 C) y = -10 D) x = -3 75) ______ 76) Slope = 6; y-intercept = 9 A) y = 6x - 9 B) y = 9x + 6 C) y = 6x + 9 D) y = 9x - 6 76) ______ 77) x-intercept = 7; y-intercept = 3 A) y = - x + 3 B) y = x + 3 C) y = - x + 7 D) y = - x + 7 77) ______ Write the equation in slope-intercept form. 78) 8x + 5y = 17 A) y = - x + B) y = x - C) y = 8x - 17 D) y = x + 78) ______ 79) 4x + 7y = 3 A) y = 4x + 12 B) y = x + C) y = x - D) y = x + 79) ______ 80) 7x - 4y = 3 A) y = x + B) y = 7x - 3 C) y = x - D) y = x + 80) ______ 81) x = 9y + 5 A) y = 9x - 5 B) y = x - 5 C) y = x - D) y = x - 81) ______ Find the slope and y-intercept of the line. 82) y = x + 9 82) ______ A) slope = 9; y-intercept = B) slope = 6; y-intercept = - 9 C) slope = ; y-intercept = 9 D) slope = - ; y-intercept = - 9 83) x + y = -2 A) slope = 0; y-intercept = -2 B) slope = -1; y-intercept = 2 83) ______ C) slope = -1; y-intercept = -2 D) slope = 1; y-intercept = -2 84) 12x + y = 6 A) slope = 12; y-intercept = 6 B) slope = 2; y-intercept = 84) ______ C) slope = -12; y-intercept = 6 D) slope = - ; y-intercept = 85) -3x + 5y = 1 A) slope = ; y-intercept = B) slope = ; y-intercept = - 85) ______ C) slope = 3; y-intercept = 9 D) slope = ; y-intercept = 86) 20x + 7y = 9 A) slope = ; y-intercept = - B) slope = ; y-intercept = 86) ______ C) slope = 20; y-intercept = 9 D) slope = - ; y-intercept = 87) 4x - 9y = 7 A) slope = ; y-intercept = B) slope = ; y-intercept = 87) ______ C) slope = ; y-intercept = - D) slope = 4; y-intercept = 7 88) 8x - 9y = 72 A) slope = ; y-intercept = -8 B) slope = 8; y-intercept = 72 88) ______ C) slope = ; y-intercept = 9 D) slope = - ; y-intercept = 8 89) x + 6y = 1 A) slope = 1; y-intercept = 1 B) slope = 89) ______ ; y-intercept = C) slope = - ; y-intercept = D) slope = -6; y-intercept = 6 90) -x + 12y = 72 A) slope = - ; y-intercept = 6 B) slope = -1; y-intercept = 72 90) ______ C) slope = ; y-intercept = 6 D) slope = 12; y-intercept = -72 91) y = -2 A) slope = 0; no y-intercept B) slope = 0; y-intercept = -2 91) ______ C) slope = 1; y-intercept = -2 D) slope = -2; y-intercept = 0 92) x = -1 A) slope undefined; y-intercept = -1 B) slope = 0; y-intercept = -1 92) ______ C) slope = -1; y-intercept = 0 D) slope undefined; no y-intercept 93) y = 3x A) slope = 0; y-intercept = 3 B) slope = -3; y-intercept = 0 93) ______ C) slope = ; y-intercept = 0 D) slope = 3; y-intercept = 0 Solve. 94) A truck rental company rents a moving truck one day by charging $35 plus $0.09 per mile. Write a linear equation that relates the cost C, in dollars, of renting the truck to the number x of miles driven. What is the cost of renting the truck if the truck is driven 170 miles? 94) ______ A) C = 35x + 0.09; $5950.09 B) C = 0.09x + 35; $50.30 C) C = 0.09x - 35; $19.70 D) C = 0.09x + 35; $36.53 95) Each week a soft drink machine sells x cans of soda for $0.75/soda. The cost to the owner of the soda machine for each soda is $0.10. The weekly fixed cost for maintaining the soda machine is $25/week. Write an equation that relates the weekly profit, P, in dollars to the number of cans sold each week. Then use the equation to find the weekly profit when 92 cans of soda are sold in a week. 95) ______ A) P = 0.75x + 25; $94.00 B) P = 0.65x - 25; $34.80 C) P = 0.75x - 25; $44.00 D) P = 0.65x + 25; $84.80 96) Each day the commuter train transports x passengers to or from the city at $1.75/passenger. The daily fixed cost for running the train is $1200. Write an equation that relates the daily profit, P, in dollars to the number of passengers each day. Then use the equation to find the daily profit when the train has 920 passengers in a day. 96) ______ A) P = 1.75x; $1610 B) P = 1200 - 1.75x; $410 C) P = 1.75x - 1200; $410 D) P = 1.75x + 1200; $2810 97) Each month a beauty salon gives x manicures for $12.00/manicure. The cost to the owner of the beauty salon for each manicure is $7.35. The monthly fixed cost to maintain a manicure station is $120.00. Write an equation that relates the monthly profit, in dollars, to the number of manicures given each month. Then use the equation to find the monthly profit when 200 manicures are given in a month. 97) ______ A) P = 7.35x - 120; $1350 B) P = 4.65x - 120; $810 C) P = 4.65x; $930 D) P =12x - 120; $2280 98) Each month a gas station sells x gallons of gas at $1.92/gallon. The cost to the owner of the gas station for each gallon of gas is $1.32. The monthly fixed cost for running the gas station is $37,000. Write an equation that relates the monthly profit, in dollars, to the number of gallons of gasoline sold. Then use the equation to find the monthly profit when 75,000 gallons of gas are sold in a month. 98) ______ A) P = 1.32x - 37,000; $62,000 B) P = 1.92x - 37,000; $107,000 C) P = 0.60x + 37,000; $82,000 D) P = 0.60x - 37,000; $8000 Find the equation of the line in slope-intercept form. 99) 99) ______ A) y = - x - B) y = - x + 6 C) y = - x - 6 D) y = - x - Find an equation for the line, in the indicated form, with the given properties. 100) Containing the points ( 2, 7) and ( 3, 4); slope-intercept form A) y - 7 = - 3(x - 2) B) y = - 3x + 13 100) _____ C) y = mx + 13 D) y = 3x + 13 101) Containing the points ( 8, -2) and ( -5, 7); general form A) -10x + 12y = -34 B) -9x + 13y = 46 101) _____ C) 9x + 13y = 46 D) 10x - 12y = -34 102) Containing the points ( 3, 0) and (0, -10); general form A) y = - x - 10 B) y = - x + 3 C) 10x - 3y = 30 D) 10x + 3y = 30 102) _____ 103) Containing the points ( -8, -3) and ( -6, 0); general form A) -5x - 6y = -30 B) 3x - 2y = -18 C) -3x - 2y = -18 D) 5x + 6y = -30 103) _____ 104) Containing the points ( 4, 2) and ( 0, 9); general form A) -7x + 4y = 36 B) 2x - 9y = -81 C) 7x + 4y = 36 D) -2x + 9y = -81 104) _____ 105) Containing the points ( -6, 0) and ( -8, -3); general form A) -6x - 5y = -33 B) 6x + 5y = -33 C) -3x + 2y = 18 D) 3x + 2y = 18 105) _____ 106) Containing the points ( -9, 2) and ( 6, -2); general form A) -4x - 15y = 6 B) 4x - 15y = 6 C) -11x + 8y = 50 D) 11x - 8y = 50 106) _____ Solve. 107) The relationship between and degrees of measuring temperature is linear. Find an equation relating and if corresponds to and corresponds to Use the equation to find the 107) _____ Celsius measure of A) C = F - 80; - °C B) C = F - ; °C C) C = F - 10; °C D) C = F + ; °C 108) A school has just purchased new computer equipment for The graph shows the depreciation of the equipment over 5 years. The point (0, 25,000) represents the purchase price and the point (5, 0) represents when the equipment will be replaced. Write a linear equation in slope-intercept form that relates the value of the equipment, y, to years after purchase x . Use the equation to predict the value of the equipment after 1 years. 108) _____ A) y = - 5000x + 25,000; value after 1 years is $ 20,000.00; B) y = - 25,000x + 25,000; value after 1 years is $ 0.00 C) y = 5000x - 25,000; value after 1 years is $ 20,000.00 D) y = 25,000x + 5; value after 1 years is $ 20,000.00 109) The average value of a certain type of automobile was $14,220 in 1992 and depreciated to $6660 in 1995. Let y be the average value of the automobile in the year x, where x = 0 represents 1992. Write a linear equation that relates the average value of the automobile, y, to the year x. 109) _____ A) y = - x - 6660 B) y = -2520x + 6660 C) y = -2520x - 900 D) y = -2520x + 14,220 110) An investment is worth $ 3551 in 1991. By 1996 it has grown to $6146. Let y be the value of the investment in the year x, where x = 0 represents 1991. Write a linear equation that relates the value of the investment, y, to the year x. 110) _____ A) y = 519x + 3551 B) y = -519x + 3551 C) y = x + 3551 D) y = -519x + 8741 111) A faucet is used to add water to a large bottle that already contained some water. After it has been filling for 5 seconds, the gauge on the bottle indicates that it contains 15 ounces of water. After it has been filling for 12 seconds, the gauge indicates the bottle contains 29 ounces of water. Let y be the amount of water in the bottle x seconds after the faucet was turned on. Write a linear equation that relates the amount of water in the bottle,y, to the time x. 111) _____ A) y = 2x + 17 B) y = -2x + 25 C) y = x + D) y = 2x + 5 112) When making a telephone call using a calling card, a call lasting 6 minutes cost $2.90. A call lasting 16 minutes cost $6.90. Let y be the cost of making a call lasting x minutes using a calling card. Write a linear equation that relates the cost of a making a call, y, to the time x. 112) _____ A) y = 0.4x - 9.1 B) y = x - C) y = 0.4x + 0.5 D) y = -0.4x + 5.3 113) A vendor has learned that, by pricing pretzels at $1.00, sales will reach 122 pretzels per day. Raising the price to $1.75 will cause the sales to fall to 92 pretzels per day. Let y be the number of pretzels the vendor sells at x dollars each. Write a linear equation that relates the number of pretzels sold per day, y, to the price x. 113) _____ A) y = -40x - 162 B) y = -40x + 162 C) y = - x + D) y = 40x + 82 114) A vendor has learned that, by pricing caramel apples at $ 1.75, sales will reach 68 caramel apples per day. Raising the price to will cause the sales to fall to 24 caramel apples per day. Let y be the number of caramel apples the vendor sells at x dollars each. Write a linear equation that relates the number of caramel apples sold per day to the price x. 114) _____ A) y = - x + B) y = -44x - 145 C) y = 44x - 9 D) y = -44x + 145 Find the general form of the equation for the line with the given properties. 115) Slope = ; y-intercept = 115) _____ A) 3x + 4y = -10 B) 3x - 4y = -10 C) y = x - D) y = x + 116) Slope = - ; containing the point ( 5, 4) 116) _____ A) 9x + 2y = -46 B) 2x + 9y = -46 C) 2x + 9y = 46 D) 2x - 9y = 46 117) Slope = - ; containing the point ( 0, 5) 117) _____ A) 6x + 7y = -35 B) 6x - 7y = 35 C) 6x + 7y = 35 D) 7x + 6y = -35 118) Slope = ; containing ( 0, 4) 118) _____ A) 3x - 2y = -12 B) -2x + 3y = 12 C) -2x + 3y = -12 D) -2x - 3y = 12 Find the slope of the line and sketch its graph. 119) 3x + 5y = 19 119) _____ A) slope = B) slope = - C) slope = - D) slope = 120) 4x - 5y = -7 120) _____ A) slope = B) slope = C) slope = - D) slope = - Solve the problem. 121) Find an equation in general form for the line graphed on a graphing utility. 121) _____ A) x + 2y = -2 B) 2x + y = -1 C) y = - x - 1 D) y = -2x - 1 Find an equation for the line with the given properties. 122) The solid line L contains the point ( 2, 5) and is parallel to the dotted line whose equation is Give the equation for the line L in slope-intercept form. 122) _____ A) y - 5 = 2(x - 2) B) y = 2x + 1 C) y = 2x + b D) y = 2x + 3 123) Parallel to the line y = 2x; containing the point ( 6, 6) A) y = 2x B) y = 2x - 6 C) y = 2x + 6 D) y - 6 = 2x - 6 123) _____ 124) Parallel to the line x + 2y = 4; containing the point (0, 0) A) y = - x + 4 B) y = - x C) y = x D) y = 124) _____ 125) Parallel to the line 4x - y = 4; containing the point (0, 0) A) y = 4x B) y = - x C) y = - x + 4 D) y = x 125) _____ 126) Parallel to the line y = -6; containing the point ( 8, 1) A) y = -6 B) y = -1 C) y = 1 D) y = 8 126) _____ 127) Parallel to the line x = -4; containing the point ( 7, 9) A) x = 7 B) y = -4 C) x = 9 D) y = 9 127) _____ 128) Parallel to the line 7x + 9y = 13; containing the point ( 7, 2) A) 9x + 7y = 2 B) 7x - 9y = 67 C) 7x + 9y = 67 D) 7x + 9y = 13 128) _____ 129) Parallel to the line 5x + 4y = -3; x-intercept = -2 A) 4x - 5y = 10 B) 5x + 4y = -8 C) 4x - 5y = -8 D) 5x + 4y = -10 129) _____ 130) The solid line L contains the point ( 2, 4) and is perpendicular to the dotted line whose equation is Give the equation of line L in slope-intercept form. 130) _____ A) y = - x + 5 B) y - 4 = - (x - 2) C) y - 4 = 2(x - 2) D) y = x + 5 131) Perpendicular to the line y = -3x + 2; containing the point ( -4, -1) A) y = 3x + B) y = x + C) y = -3x + D) y = - x + 131) _____ 132) Perpendicular to the line y = x + 3; containing the point ( 4, -4) 132) _____ A) y = - 9x - 32 B) y = - 9x + 32 C) y = 9x - 32 D) y = - x - 133) Perpendicular to the line -3x - y = 6; containing the point (0, - 2) A) y = x + 6 B) y = x - 2 C) y = - D) y = - x - 2 133) _____ 134) Perpendicular to the line ; containing the point ( 5, 4) A) y = 6x - 34 B) y = - 6x + 34 C) y = - x - D) y = - 6x - 34 134) _____ 135) Perpendicular to the line y = 2; containing the point ( 1, 5) A) x = 1 B) y = 1 C) x = 5 D) y = 5 135) _____ 136) Perpendicular to the line x = -3; containing the point ( 4, 1) A) x = 1 B) y = 4 C) x = 4 D) y = 1 136) _____ 137) Perpendicular to the line 6x - 7y = 64; containing the point ( 6, 4) A) 7x + 6y = 66 B) 6x + 7 = 6 C) 7x - 6y = 66 D) 6x + 7y = 64 137) _____ 138) Perpendicular to the line -7x - 8y = 9; containing the point ( -7, 6) A) -8x + 7y = 98 B) -8x - 7y = 9 C) -8x - 7y = 98 D) -7x + 8y = 98 138) _____ 139) Perpendicular to the line -2x - 5y = 5; y-intercept = -5 A) -2x - 5y = 25 B) -5x + 2y = 25 C) -2x - 5y = 10 D) -5x + 2y = -10 139) _____ Decide whether the pair of lines is parallel, perpendicular, or neither. 140) 3x - 6y = -19 18x + 9y = 20 140) _____ A) parallel B) perpendicular C) neither 141) 3x - 8y = -4 32x + 12y = 7 141) _____ A) parallel B) perpendicular C) neither 142) 9x + 3y = 12 15x + 5y = 23 142) _____ A) parallel B) perpendicular C) neither Write the standard form of the equation of the circle. 143) 143) _____ A) + = 3 B) + = 9 C) + = 3 D) + = 9 144) 144) _____ A) + = 9 B) + = 9 C) + = 9 D) + = 9 Write the standard form of the equation of the circle with radius r and center (h, k). 145) r = 2; (h, k) = (0, 0) A) + = 4 B) 145) _____ + = 4 C) + = 2 D) + = 2 146) r = 6; (h, k) = ( -7, 6) A) (x + 7)2 + (y - 6)2 = 6 B) (x - 7)2 + (y + 6)2 = 6 146) _____ C) (x + 7)2 + (y - 6)2 = 36 D) (x - 7)2 + (y + 6)2 = 36 147) r = 5; (h, k) = ( -4, 0) A) (x - 4)2 + y2 = 25 B) (x + 4)2 + y2 = 25 147) _____ C) x2 + (y - 4)2 = 5 D) x2 + (y + 4)2 = 5 148) r = 5; (h, k) = (0, -1) A) (x + 1)2 + y2 = 25 B) x2 + (y + 1)2 = 25 148) _____ C) x2 + (y - 1)2 = 5 D) (x - 1)2 + y2 = 25 149) r = ; (h, k) = ( 4, -6) A) (x + 4)2 + (y - 6)2 = 6 B) (x + 6)2 + (y - 4)2 = 36 149) _____ C) (x - 6)2 + (y + 4)2 = 36 D) (x - 4)2 + (y + 6)2 = 6 150) r = ; (h, k) = (0, -10) A) (x + 10)2 + y2 = 36 B) (x - 10)2 + y2 = 36 150) _____ C) x2 + (y + 10)2 = 6 D) x2 + (y - 10)2 = 6 Solve the problem. 151) Find the equation of a circle in standard form where C(6, -2) and D(-4, 4) are endpoints of a diameter. 151) _____ A) + = 136 B) + = 34 C) + = 136 D) + = 34 152) Find the equation of a circle in standard form with center at the point (-3, 2) and tangent to the line y = 4. 152) _____ A) + = 4 B) + = 16 C) D) + = 4 + = 16 153) Find the equation of a circle in standard form that is tangent to the line x = -3 at (-3, 5) and also tangent to the line x = 9. 153) _____ A) + = 36 B) + = 36 C) D) + = 36 + = 36 Find the center (h, k) and radius r of the circle with the given equation. 154) + = 9 A) (h, k) = (0, 0); r = 9 B) (h, k) = ( 3, 3); r = 9 154) _____ C) (h, k) = ( 3, 3); r = 3 D) (h, k) = (0, 0); r = 3 155) (x + 3)2 + (y - 2)2 = 25 A) (h, k) = ( -3, 2); r = 5 B) (h, k) = ( 2, -3); r = 5 155) _____ C) (h, k) = ( 2, -3); r = 25 D) (h, k) = ( -3, 2); r = 25 156) (x + 7)2 + y2 = 81 A) (h, k) = (0, -7); r = 9 B) (h, k) = ( -7, 0); r = 81 156) _____ C) (h, k) = ( -7, 0); r = 9 D) (h, k) = (0, -7); r = 81 157) x2 + (y - 4)2 = 25 A) (h, k) = (0, 4); r = 5 B) (h, k) = ( 4, 0); r = 25 157) _____ C) (h, k) = ( 4, 0); r = 5 D) (h, k) = (0, 4); r = 25 158) 3 + 3 = 36 A) (h, k) = ( -4, -3); r = 2 B) (h, k) = ( -4, -3); r = 6 158) _____ C) (h, k) = (4, 3); r = 6 D) (h, k) = (4, 3); r = 2 Solve the problem. 159) Find the standard form of the equation of the circle. Assume that the center has integer coordinates and the radius is an integer. 159) _____ A) + = 9 B) + = 9 C) + - 2x + 4y - 4 = 0 D) + + 2x - 4y - 4 = 0 Graph the circle with radius r and center (h, k). 160) r = 2; (h, k) = (0, 0) 160) _____ A) B) C) D) 161) r = 6; (h, k) = (0, 4) 161) _____ A) B) C) D) 162) r = 6; (h, k) = ( 2, 0) 162) _____ A) B) C) D) 163) r = 3; (h, k) = ( -3, -4) 163) _____ A) B) C) D) Graph the equation. 164) + = 4 164) _____ A) B) C) D) 165) + = 4 165) _____ A) B) C) D) 166) x2 + (y - 5)2 = 25 166) _____ A) B) C) D) 167) + = 4 167) _____ A) B) C) D) Find the center (h, k) and radius r of the circle. Graph the circle. 168) x2 + y2 - 4x - 12y + 24 = 0 168) _____ A) (h, k) = ( 2, -6); r = 4 B) (h, k) = ( 2, 6); r = 4 C) (h, k) = ( -2, -6); r = 4 D) (h, k) = ( -2, 6); r = 4 169) x2 + y2 + 12x + 2y + 33 = 0 169) _____ A) (h, k) = ( 6, 1); r = 2 B) (h, k) = ( -6, -1); r = 2 C) (h, k) = ( 6, -1); r = 2 D) (h, k) = ( -6, 1); r = 2 Find the center (h, k) and radius r of the circle with the given equation. 170) x2 + 14x + 49 + (y - 9)2 = 64 A) (h, k) = ( 9, -7); r = 8 B) (h, k) = ( -7, 9); r = 8 170) _____ C) (h, k) = ( -9, 7); r = 64 D) (h, k) = ( 7, -9); r = 64 171) x2 + 2x + 1 + y2 - 16y + 64 = 64 A) (h, k) = ( 1, -8); r = 64 B) (h, k) = ( 8, -1); r = 8 171) _____ C) (h, k) = ( -1, 8); r = 8 D) (h, k) = ( -8, 1); r = 64 172) x2 + y2 + 2x - 12y + 37 = 36 A) (h, k) = ( -1, 6); r = 6 B) (h, k) = ( -6, 1); r = 36 172) _____ C) (h, k) = ( 6, -1); r = 6 D) (h, k) = ( 1, -6); r = 36 173) x2 + y2 - 16x - 10y = -25 A) (h, k) = ( 5, 8); r = 8 B) (h, k) = ( -5, -8); r = 64 173) _____ C) (h, k) = ( 8, 5); r = 8 D) (h, k) = ( -8, -5); r = 64 174) 4 + 4 - 12x + 16y - 5 = 0 A) (h, k) = (- , 2); r= B) (h, k) = ( , -2); r = 174) _____ C) (h, k) = ( , -2); r = D) (h, k) = (- , 2); r = Find the general form of the equation of the the circle. 175) Center at the point (-4, -3); containing the point (-3, 3) A) + + 6x + 8y - 17 = 0 B) + + 6x - 6y - 17 = 0 175) _____ C) + + 8x + 6y - 12 = 0 D) + - 6x + 6y - 12 = 0 176) Center at the point (2, -3); containing the point (5, -3) A) + - 4x + 6y + 22 = 0 B) + - 4x + 6y + 4 = 0 176) _____ C) + + 4x - 6y + 4 = 0 D) + + 4x - 6y + 22 = 0 177) Center at the point ( 5, 7); tangent to y-axis A) + - 10x - 14y + 99 = 0 B) 177) _____ + - 10x - 14y + 25 = 0 C) + - 10x - 14y + 49 = 0 D) + + 10x + 14y + 49 = 0 Solve the problem. 178) If a circle of radius 3 is made to roll along the x-axis, what is the equation for the path of the center of the circle? 178) _____ A) y = 0 B) y = 3 C) y = 6 D) x = 3 179) Earth is represented on a map of the solar system so that its surface is a circle with the equation A weather satellite circles 0.6 units above the Earth with the center of its circular orbit at the center of the Earth. Find the general form of the equation for the orbit of the satellite on this map. 179) _____ A) + - 4x - 6y - 3659.36 = 0 B) + + 4x + 6y + 12.64 = 0 C) + + 4x + 6y - 46.64 = 0 D) + + 4x + 6y - 3659.36 = 0 180) Find an equation of the line containing the centers of the two circles + - 8x + 8y + 31 = 0 and + + 2x + 2y - 2 = 0 180) _____ A) -5x - 3y - 8 = 0 B) -3x + 5y - 8 = 0 C) 3x - 5y - 8 = 0 D) -3x - 5y - 8 = 0 181) A wildlife researcher is monitoring a black bear that has a radio telemetry collar with a transmitting range of 16 miles. The researcher is in a research station with her receiver and tracking the bear's movements. If we put the origin of a coordinate system at the research station, what is the equation of all possible locations of the bear where the transmitter would be at its maximum range? 181) _____ A) - = 16 B) + = 16 C) + = 256 D) + = 32 182) If a satellite is placed in a circular orbit of 300 kilometers above the Earth, what is the equation of the path of the satellite if the origin is placed at the center of the Earth (the diameter of the Earth is approximately 12,740 kilometers)? 182) _____ A) + = 170,041,600 B) + = 90,000 C) D) + = 40,576,900 + = 44,488,900 183) A power outage affected all homes and businesses within a 12 mi radius of the power station. If the power station is located 11 mi north of the center of town, find an equation of the circle consisting of the furthest points from the station affected by the power outage. 183) _____ A) + = 144 B) + = 144 C) + = 12 D) + = 144 184) A power outage affected all homes and businesses within a 4 mi radius of the power station. If the power station is located 2 mi west and 5 mi north of the center of town, find an equation of the circle consisting of the furthest points from the station affected by the power outage. 184) _____ A) (x + 2)2 + (y + 5)2 = 16 B) (x - 2)2 + (y - 5)2 = 16 C) (x + 2)2 + (y - 5)2 = 16 D) (x - 2)2 + (y + 5)2 = 16 185) A Ferris wheel has a diameter of 300 feet and the bottom of the Ferris wheel is 11 feet above the ground. Find the equation of the wheel if the origin is placed on the ground directly below the center of the wheel, as illustrated. 185) _____ A) + = 90,000 B) + = 22,500 C) + = 22,500 D) + = 22,500 Write a general formula to describe the variation. 186) v varies directly with t; v = 2 when t = 14 A) v = 7t B) v = C) v = t D) v = 186) _____ 187) A varies directly with ; A = 12 when t = 2 A) A = B) A = 6 C) A = 3 D) A = 187) _____ 188) z varies directly with the sum of the squares of x and y; z = 15 when x = 9 and y = 12 A) z = ( + ) B) z = ( + ) 188) _____ C) z = ( + ) D) = + If y varies directly as x, write a general formula to describe the variation. 189) y = 7 when x = 35 A) y = 5x B) y = x + 28 C) y = x D) y = x 189) _____ 190) y = 6 when x = 16 A) y = x B) y = x C) y = 2x D) y = x - 10 190) _____ 191) y = 2 when x = 191) _____ A) y = x B) y = x + C) y = x D) y = 8x 192) y = 4 when x = 0.8 A) y = 0.8x B) y = 0.2x C) y = 5x D) y = x + 3.2 192) _____ 193) y = 0.5 when x = 2 A) y = x - 1.5 B) y = 4x C) y = 0.25x D) y = 0.5x 193) _____ Write a general formula to describe the variation. 194) The volume V of a right circular cone varies directly with the square of its base radius r and its height h. The constant of proportionality is π. 194) _____ A) V = h B) V = π C) V = π h D) V = πrh 195) The surface area S of a right circular cone varies directly as the radius r times the square root of the sum of the squares of the base radius r and the height h. The constant of proportionality is π. 195) _____ A) S = π B) S = πr C) S = πr D) S = πr Solve the problem. 196) In simplified form, the period of vibration P for a pendulum varies directly as the square root of its length L. If P is 2.25 sec. when L is 81 in., what is the period when the length is 121 in.? 196) _____ A) 44 sec B) 484 sec C) 2.75 sec D) 30.25 sec 197) The amount of water used to take a shower is directly proportional to the amount of time that the shower is in use. A shower lasting 23 minutes requires 11.5 gallons of water. Find the amount of water used in a shower lasting 4 minutes. 197) _____ A) 66.125 gal B) 2 galC) 2.875 gal D) 8 gal 198) If the resistance in an electrical circuit is held constant, the amount of current flowing through the circuit is directly proportional to the amount of voltage applied to the circuit. When are applied to a circuit, (mA) of current flow through the circuit. Find the new current if the voltage is increased to 198) _____ A) 76 mA B) 100 mA C) 80 mA D) 8 mA 199) The amount of gas that a helicopter uses is directly proportional to the number of hours spent flying. The helicopter flies for 3 hours and uses 18 gallons of fuel. Find the number of gallons of fuel that the helicopter uses to fly for 4 hours. 199) _____ A) 28 gal B) 24 gal C) 30 gal D) 12 gal 200) The distance that an object falls when it is dropped is directly proportional to the square of the amount of time since it was dropped. An object falls 288 feet in 3 seconds. Find the distance the object falls in 5 seconds. 200) _____ A) 15 ft B) 480 ft C) 800 ft D) 160 ft Write a general formula to describe the variation. 201) A varies inversely with ; A = 3 when x = 3 A) A = 9 B) A = C) A = D) A = 201) _____ Write an equation that expresses the relationship. Use k as the constant of variation. 202) r varies inversely as t. A) r = B) k r = t C) r = k t D) r = 202) _____ 203) a varies inversely as the square of y. A) a = B) a = C) a = D) a = 203) _____ If y varies inversely as x, write a general formula to describe the variation. 204) y = 6 when x = 9 A) y = B) y = x C) y = D) y = 204) _____ 205) y = 100 when x = 8 A) y = B) y = x C) y = D) y = 205) _____ 206) y = 18 when x = 206) _____ A) y = B) y = C) y = D) y = 54x 207) y = when x = 56 207) _____ A) y = B) y = x C) y = D) y = 208) y = 0.5 when x = 0.8 A) y = 0.625x B) y = C) y = D) y = 2.5x 208) _____ Solve the problem. 209) x varies inversely as v, and x = 48 when v = 4. Find x when v = 32. A) x = 24 B) x = 16 C) x = 8 D) x = 6 209) _____ 210) x varies inversely as y2, and x = 4 when y = 12. Find x when y = 2. A) x = 6 B) x = 96 C) x = 144 D) x = 16 210) _____ 211) When the temperature stays the same, the volume of a gas is inversely proportional to the pressure of the gas. If a balloon is filled with 180 cubic inches of a gas at a pressure of 14 pounds per square inch, find the new pressure of the gas if the volume is decreased to 45 cubic inches. 211) _____ A) 42 psi B) 56 psi C) 52 psi D) psi 212) The amount of time it takes a swimmer to swim a race is inversely proportional to the average speed of the swimmer. A swimmer finishes a race in 100 seconds with an average speed of 3 feet per second. Find the average speed of the swimmer if it takes 60 seconds to finish the race. 212) _____ A) 5 ft/sec B) 4 ft/sec C) 7 ft/sec D) 6 ft/sec 213) If the force acting on an object stays the same, then the acceleration of the object is inversely proportional to its mass. If an object with a mass of 8 kilograms accelerates at a rate of per second per second (m/ ) by a force, find the rate of acceleration of an object with a mass of that is pulled by the same force. 213) _____ A) 5 m/ B) 20 m/ C) 18 m/ D) 10 m/ 214) If the voltage, V, in an electric circuit is held constant, the current, I, is inversely proportional to the resistance, R. If the current is 150 milliamperes (mA) when the resistance is 5 ohms, find the current when the resistance is 15 ohms. 214) _____ A) 250 mA B) 50 mA C) 447 mA D) 450 mA 215) While traveling at a constant speed in a car, the centrifugal acceleration passengers feel while the car is turning is inversely proportional to the radius of the turn. If the passengers feel an acceleration of 15 feet per second per second (ft/ ) when the radius of the turn is 60 feet, find the acceleration the passengers feel when the radius of the turn is 215) _____ 180 feet. A) 8 ft/ B) 5 ft/ C) 6 ft/ D) 7 ft/ Write a general formula to describe the variation. 216) The square of G varies directly with the cube of x and inversely with the square of y; when and 216) _____ A) = B) = 8 C) = ( + ) D) = 12 217) R varies directly with g and inversely with the square of h; R = 3 when g = 3 and h = 5. A) R = 25g B) R = 25 C) R = 5 D) R = 5 217) _____ 218) z varies jointly as the cube root of x and the cube of y; z = 40 when x = 8 and y = 5. A) z = B) z = C) z = 2500 D) z = 218) _____ 219) The centrifugal force F of an object speeding around a circular course varies directly as the product of the object's mass m and the square of it's velocity v and inversely as the radius of the turn r. 219) _____ A) F = B) F = C) F = D) F = 220) The safety load λ of a beam with a rectangular cross section that is supported at each end varies directly as the product of the width W and the square of the depth D and inversely as the length L of the beam between the supports. 220) _____ A) λ = B) λ = C) λ = D) λ = 221) The illumination I produced on a surface by a source of light varies directly as the candlepower c of the source and inversely as the square of the distance d between the source and the surface. 221) _____ A) I = B) I = C) I = kc D) I = Solve the problem. 222) The volume V of a given mass of gas varies directly as the temperature T and inversely as the pressure P. A measuring device is calibrated to give when and What is the volume on this device when the temperature is and the pressure is 222) _____ A) V = 18.8 B) V = 224.4 C) V = 264.4 D) V = 244.4 223) The time in hours it takes a satellite to complete an orbit around the earth varies directly as the radius of the orbit (from the center of the earth) and inversely as the orbital velocity. If a satellite completes an orbit above the earth in at a velocity of how long would it take a satellite to complete an orbit if it is at above the earth at a velocity of (Use as the radius of the earth.) 223) _____ A) 31.59 hr B) 142.53 hr C) 14.25 hr D) 4.45 hr 224) The pressure of a gas varies jointly as the amount of the gas (measured in moles) and the temperature and inversely as the volume of the gas. If the pressure is kiloPascals (kPa) when the number of moles is 8, the temperature is , and the volume is , find the pressure when the number of moles is 7, the temperature is , and the volume is . 224) _____ A) 1536 kPa B) 864 kPa C) 1632 kPa D) 816 kPa 225) Body-mass index, or BMI, takes both weight and height into account when assessing whether an individual is underweight or overweight. BMI varies directly as one's weight, in pounds, and inversely as the square of one's height, in inches. In adults, normal values for the BMI are between 20 and 25. A person who weighs 160 pounds and is 71 inches tall has a BMI of 22.31. What is the BMI, to the nearest tenth, for a person who weighs 136 pounds and who is 63 inches tall? 225) _____ A) 23.6 B) 23.3 C) 24.5 D) 24.1 226) The amount of paint needed to cover the walls of a room varies jointly as the perimeter of the room and the height of the wall. If a room with a perimeter of 60 feet and walls requires of paint, find the amount of paint needed to cover the walls of a room with a perimeter of 50 feet and 10-foot walls. 226) _____ A) 10 qt B) 50 qt C) 5 qt D) 500 qt 227) The power that a resistor must dissipate is jointly proportional to the square of the current flowing through the resistor and the resistance of the resistor. If a resistor needs to dissipate of power when of current is flowing through the resistor whose resistance is find the power that a resistor needs to dissipate when of current are flowing through a resistor whose resistance is 227) _____ A) 36 watts B) 72 watts C) 48 watts D) 12 watts 228) While traveling in a car, the centrifugal force a passenger experiences as the car drives in a circle varies jointly as the mass of the passenger and the square of the speed of the car. If a passenger experiences a force of 129.6 newtons (N) when the car is moving at a speed of 60 kilometers per hour and the passenger has a mass of 40 kilograms, find the force a passenger experiences when the car is moving at 50 kilometers per hour and the passenger has a mass of 80 kilograms. 228) _____ A) 160 N B) 180 N C) 225 N D) 200 N 229) The amount of simple interest earned on an investment over a fixed amount of time is jointly proportional to the principle invested and the interest rate. A principle investment of $2600.00 with an interest rate of 6% earned $312.00 in simple interest. Find the amount of simple interest earned if the principle is $3700.00 and the interest rate is 7%. 229) _____ A) $444.00 B) $518.00 C) $364.00 D) $51,800.00 230) The voltage across a resistor is jointly proportional to the resistance of the resistor and the current flowing through the resistor. If the voltage across a resistor is for a resistor whose resistance is and when the current flowing through the resistor is find the voltage across a resistor whose resistance is and when the current flowing through the resistor is 230) _____ A) 28 V B) 36 V C) 63 V D) 14 V 1) B 2) D 3) B 4) D 5) C 6) D 7) C 8) C 9) C 10) D 11) C 12) B 13) C 14) D 15) B 16) D 17) A 18) A 19) C 20) B 21) D 22) D 23) B 24) A 25) B 26) C 27) E 28) C 29) A 30) A 31) D 32) D 33) E 34) B 35) C 36) A 37) E 38) C 39) E 40) B 41) B 42) B 43) D 44) D 45) B 46) D 47) C 48) D 49) B 50) B 51) A 52) C 53) C 54) D 55) C 56) D 57) A 58) D 59) D 60) A 61) D 62) D 63) D 64) A 65) D 66) C 67) B 68) A 69) A 70) B 71) C 72) A 73) A 74) C 75) C 76) C 77) A 78) A 79) D 80) C 81) D 82) C 83) C 84) C 85) D 86) D 87) C 88) A 89) C 90) C 91) B 92) D 93) D 94) B 95) B 96) C 97) B 98) D 99) D 100) B 101) C 102) C 103) B 104) C 105) C 106) A 107) B 108) A 109) D 110) A 111) D 112) C 113) B 114) D 115) B 116) C 117) C 118) B 119) C 120) B 121) A 122) B 123) B 124) B 125) A 126) C 127) A 128) C 129) D 130) A 131) B 132) B 133) B 134) B 135) A 136) D 137) A 138) A 139) D 140) B 141) B 142) A 143) D 144) D 145) A 146) C 147) B 148) B 149) D 150) C 151) B 152) C 153) B 154) D 155) A 156) C 157) A 158) D 159) A 160) B 161) D 162) A 163) D 164) A 165) C 166) C 167) B 168) B 169) B 170) B 171) C 172) A 173) C 174) C 175) C 176) B 177) C 178) B 179) D 180) D 181) C 182) D 183) D 184) C 185) C 186) C 187) C 188) B 189) D 190) B 191) D 192) C 193) C 194) C 195) C 196) C 197) B 198) C 199) B 200) C 201) D 202) A 203) C 204) D 205) D 206) C 207) D 208) C 209) D 210) C 211) B 212) A 213) B 214) B 215) B 216) A 217) B 218) B 219) B 220) C 221) B 222) D 223) C 224) D 225) D 226) C 227) A 228) B 229) B 230) A