Direct and Inverse Variation

Question 1

When converting from inches to feet, the measurement in inches, m, of an object varies directly with its measurement in feet, f, with the constant of variation being 12.

Revolt · Accepted Answer

D: ✔ m = 12f

Question 2

Which statements are true about the table of values? Check all that apply.

Revolt · Accepted Answer

A: xy = 3; B: When x = 3, y = 1.; E: The graph of this table would not be linear.

Question 3

The value of z varies inversely with the value of w. The constant of variation is . Which are possible values for z and w? Check all that apply. z = , w = z = 2, w = 3z = , w = 2z = , w = z = , w =

Revolt · Accepted Answer

A: z = , w =

Question 4

Joe plotted the points (2, 0.5), (1, 1), and (0.5, 2), and claimed that these points represent an inverse variation relationship. Which statement supports his claim?

Revolt · Accepted Answer

A: xy = 1 for all points.

Question 5

3.41235✔ 42

Revolt · Accepted Answer

D: ✔ 42

Question 6

0.44✔ 2.25 3.512

Revolt · Accepted Answer

B: ✔ 2.25

Question 7

Question 7

Revolt · Accepted Answer

2

Question 8

3.05.0✔ 5.37.5

Revolt · Accepted Answer

C: ✔ 5.3

Question 9

A quantity, t, varies inversely with a quantity, r. If t = 6, then r = 5.

Revolt · Accepted Answer

: 30; : 30; : 2

Question 10

Question 10

Revolt · Accepted Answer

30

Direct and Inverse Variation Answers

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