Direct Variation Quiz
12 Questions
| Attempts: 401
.
Questions and Answers
- 1.
Determine if the following is a direct variation. If so, identify the constant of variation. xy-2-40024
- A.
No, this is not a direct variation
- B.
Yes, m = 2
- C.
Yes, m = -2
- D.
Yes, m = 0
Correct Answer
B. Yes, m = 2 -
- 2.
Is x + y = 0 a direct variation? If so, what is the constant of variation?
- A.
No, this is not a direct variation
- B.
Yes, m = 0
- C.
Yes, m = -1
- D.
Yes, m = 2
Correct Answer
C. Yes, m = -1 -
- 3.
What is the constant of variation?xy-2102-104-20
- A.
m = -1/5
- B.
m = 5
- C.
m = 1/5
- D.
m = -5
Correct Answer
D. m = -5 -
- 4.
A direct variation does NOT have to cross through the origin.
- A.
True
- B.
False
Correct Answer
B. False -
- 5.
Solve. y = 3x + 12.
- A.
Yes, m = 3
- B.
No
Correct Answer
B. No -
- 6.
Solve. y = (1/2)x
- A.
Yes, m = 1/2
- B.
No
Correct Answer
A. Yes, m = 1/2 -
- 7.
Determine if the following is a direct variation. If so, identify the constant of variation. xy215430645
- A.
No, this is not a direct variation
- B.
Yes, m = 15/4 = 3.75
- C.
Yes, m = 15
- D.
Yes, m = 15/2 = 7.5
Correct Answer
D. Yes, m = 15/2 = 7.5 -
- 8.
Determine if the following is a direct variation. If so, identify the constant of variation. xy216432654
- A.
No, this is not a direct variation
- B.
Yes, m = 8
- C.
Yes, m = 9
Correct Answer
A. No, this is not a direct variation -
- 9.
Solve. y = (2/3)x
- A.
M = -2/3
- B.
M = 2/3
- C.
M = 2
- D.
M = 3
Correct Answer
B. M = 2/3 -
- 10.
Solve for the missing y-value. Suppose y varies directly with x. If y = 15 when x = 3, find y when x = 12.y = ________
Correct Answer
60 - 11.
Solve for the missing y-value.Suppose y varies directly with x.If y = -17 when x = -3, find y when x = 9.y = ________
Correct Answer
21 - 12.
Solve for the missing x-value.Suppose y varies directly with x.If y =5 when x = -3, find x when y = -1.x = ________
Correct Answer
3/5
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Current Version
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Apr 23, 2017Quiz Edited by
ProProfs Editorial Team -
Apr 23, 2017Quiz Created by
Eeb004
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