Math110 week 8 Final LimeSpring

Summary Results Questions Correct: 24 / 25 Score: 96% Full Results Problem 1 Question: Evaluate the expression x + 3x + 3 when x = -1 You chose:1 The correct answer is: 1 Problem 2 Question: Solve for x: 8y + 2x = 10 You chose:x = -4y + 5 The correct answer is: x = -4y + 5 Problem 3 Question: Solve: 4x – 4 2x – 2 You chose:x 1 The correct answer is: x 1 Problem 4 Question: Solve for x: 7x + 6 ≥ 4x + 27 You chose:x ≥ 7 The correct answer is: x ≥ 7 Problem 5 Question: Solve for x : | 3x – 3 | 9 You chose:x 4 or x -2 The correct answer is: x 4 or x -2 Problem 6 Question: Factor x + 7x + 10 You chose:(x + 2)(x + 5) The correct answer is: (x + 2)(x + 5) Problem 7 Question: Solve for x in x – 49 = 0 You chose:x = 7 or x = -7 The correct answer is: x = 7 or x = -7 Problem 8 Question: Determine the slope of the the equation 2x + 1 y = -3 You chose:-4 The correct answer is: -4 Problem 9 Question: What is the y-coordinate of the point on the line 2 x + 2y = 6 with an x-coordinate of 3? You chose: y = 3 The correct answer is: y = 2 Back To Library 2 2 2 2 3 This study source was downloaded by from CourseH on :29:48 GMT -05:00 1/25/2021 LimeSpring Problem 10 Question: What is the equation of the line that goes through the points (2, 3) and (4, 6)? You chose:y = 3 x The correct answer is: y = 3 x Problem 11 Question: If a right triangle has sides of length 3 and 6, what is the length of the hypotenuse? Remember to simplify your answer. You chose:3√5 The correct answer is: 3√5 Problem 12 Question: Solve for the values of x and y in the system of equations, y = 3x + 4 and the equation 2y = 4x + 8 You chose:(0, 4) The correct answer is: (0, 4) Problem 13 Question: If 2 tacos and 3 drinks cost $14, and 3 tacos and 2 drinks cost $16, how much does a taco cost? You chose:$4 The correct answer is: $4 Problem 14 Question: Simplify (5 – 3i)(6i) You chose:18 + 30i The correct answer is: 18 + 30i Problem 15 Question: Evaluate f(x) = |2x – 3| when x = -2 You chose:7 The correct answer is: 7 Problem 16 Question: What is the range of the function f(x) = 3x + 2 over the interval -2 x 5? You chose:-4 f(x) 17 The correct answer is: -4 f(x) 17 Problem 17 Question: If f(x) = 2x – 1 and g(x) = 2x + 1, evaluate f(g(x)) when x = -3 You chose:49 The correct answer is: 49 Problem 18 Question: Which function defines the graph? You chose:y = 1 | x + 1 | – 2 The correct answer is: y = 1 | x + 1 | – 2 Problem 19 Question: What shape is defined by the equation ( x + 2 ) + ( y – 3 ) = 25? You chose:circle The correct answer is: circle Problem 20 Question: In which direction does the parabola x = -y + 3 open? You chose:left The correct answer is: left