SNHU MAT 240 MODULE 4 PROJECT 1
ACTUAL QUESTIONS AND VERIFIED
SOLUTIONS
◉ y-intercept
Answer: The point where the graph crosses the y-axis
◉ YES
K=3
Answer: Is this a direct variation? YES or NO
If yes what is the direct variation?
◉ NO
Answer: Is this proportional? YES or NO
If yes what is the direct variation?
◉ k = 1.5
Answer: What is the constant of proportionality? (type k = ___)
◉ y = 0.20x
Answer: What is the equation for this direct variation?
,◉ y = 4.5x; x = 10
Answer: If y = 27 when x = 6, write the direct variation equation
and find x when y = 45.
◉ y = 0.5x; y = 10
Answer: If y = -7 when x = -14, write the direct variation equation
and find y when x = 20.
◉ y = 2x; y = 40
Answer: If x = -7 when y = -14, write the direct variation equation
and find y when x = 20.
◉ y = 2x; y = 10
Answer: If y = 8 when x = 4, write the direct variation equation
and find y when x = 5.
◉ y = 0.5x; y = 2.5
Answer: If x = 8 when y = 4, write the direct variation equation
and find y when x = 5.
◉ y = 6x; x = 7
Answer: If y = 36 when x = 6, write the direct variation equation
and find x when y = 42.
, ◉ y = 1/6x; x = 252
Answer: y = 1/6x; x = 252 If x = 36 when y = 6, write the direct
variation equation and find x when y = 42.
◉ y = -4x; x = -5
Answer: If y = -16 when x = 4, write the direct variation equation
and find x when y = 20.
◉ y = -1/4x; x = -80
Answer: If x = -16 when y = 4, write the direct variation equation
and find x when y = 20.
◉ y = -3x; y = -18
Answer: If y = -18 when x = 6, write the direct variation equation
and find y when x = 6.
◉ y = -1/3x; y = -2
Answer: If x = -18 when y = 6, write the direct variation equation
and find y when x = 6.
◉ y = 1/3x; y = -8
Answer: If y = 4 when x = 12, write the direct variation equation
and find y when x = -24.
◉ y = 3x; y = -72
ACTUAL QUESTIONS AND VERIFIED
SOLUTIONS
◉ y-intercept
Answer: The point where the graph crosses the y-axis
◉ YES
K=3
Answer: Is this a direct variation? YES or NO
If yes what is the direct variation?
◉ NO
Answer: Is this proportional? YES or NO
If yes what is the direct variation?
◉ k = 1.5
Answer: What is the constant of proportionality? (type k = ___)
◉ y = 0.20x
Answer: What is the equation for this direct variation?
,◉ y = 4.5x; x = 10
Answer: If y = 27 when x = 6, write the direct variation equation
and find x when y = 45.
◉ y = 0.5x; y = 10
Answer: If y = -7 when x = -14, write the direct variation equation
and find y when x = 20.
◉ y = 2x; y = 40
Answer: If x = -7 when y = -14, write the direct variation equation
and find y when x = 20.
◉ y = 2x; y = 10
Answer: If y = 8 when x = 4, write the direct variation equation
and find y when x = 5.
◉ y = 0.5x; y = 2.5
Answer: If x = 8 when y = 4, write the direct variation equation
and find y when x = 5.
◉ y = 6x; x = 7
Answer: If y = 36 when x = 6, write the direct variation equation
and find x when y = 42.
, ◉ y = 1/6x; x = 252
Answer: y = 1/6x; x = 252 If x = 36 when y = 6, write the direct
variation equation and find x when y = 42.
◉ y = -4x; x = -5
Answer: If y = -16 when x = 4, write the direct variation equation
and find x when y = 20.
◉ y = -1/4x; x = -80
Answer: If x = -16 when y = 4, write the direct variation equation
and find x when y = 20.
◉ y = -3x; y = -18
Answer: If y = -18 when x = 6, write the direct variation equation
and find y when x = 6.
◉ y = -1/3x; y = -2
Answer: If x = -18 when y = 6, write the direct variation equation
and find y when x = 6.
◉ y = 1/3x; y = -8
Answer: If y = 4 when x = 12, write the direct variation equation
and find y when x = -24.
◉ y = 3x; y = -72