Algebra Understanding Direct Variation Quiz
8 Questions
| Total Attempts: 1012
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Questions and Answers
- 1.Any questions about the video?
- 2.Which of the following is NOT true about direct variation?
- A.
Direct Variation is y = k/x
- B.
Direct variation is y = kx
- C.
Direct variation always passes through the origin (0,0)
- D.
Direct variation has a constant of proportionality, k.
- 3.Y is directly proportional to x. If y = 16 when x = 4, write the formula to represent this relation of y and x.
- A.
Y = 4x
- B.
Y = (1/4)x
- C.
Y = 12x
- D.
Y = 20x
- 4.Assume y varies directly as x. If y = 20 and x = 4, find y when x = 9.
- A.
Y = 9/5
- B.
Y = 180
- C.
Y = 14
- D.
Y = 45
- 5.If y = 15 when x = 2, then y = 10 when x = 8. True or False?
- A.
True
- B.
False
- 6.The amount of money raised at a charity fundraiser is directly proportional to the number of attendees. The amount of money raised for 5 attendees was $100. How much money will be raised for 60 attendees?
- A.
$80
- B.
$6,000
- C.
$1,200
- D.
$12,000
- 7.Which of the following is the correct equation for the following if y varies directly as x? x =3 and y = 4.
- A.
Y = (3/4)x
- B.
Y = (4/3)x
- C.
Y = 1x
- D.
Y = -1x
- 8.Katherine sells 75% of the cupcakes that she sells at her bakery. Which term would correctly describe which part of the direct variation equation 75% would represent?
- A.
Y variable
- B.
X variable
- C.
Constant of variation
- D.
Product
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