2. The following situations are examples of inverse variations EXCEPT?

A. The number of days to paint a house is related to the number of workers.
B. The amount of gasoline used is related to the distance travelled.
C. The number of plants to fill a row in a garden is related to the distance between the plants.
D.The time spent in typing is related to the rate which a person types a manuscript.

3. What is the constant of variation if y varies directly as x and y=32 when x=4?

A. 4 C. 36

B. 8 D. 128


4. If y varies inversely as x, and y=4 when x=3. What is x when y=6?

A. 2 C. 4

B. 3 D. 5


5. 5. Which of the following describes an inverse variation?

A. C.

x 2 3 4 5 x 40 30 20 10

y 5 10/3 5/2 2 y 8 6 4 2

B. D.

x 1 2 3 4 x 4 8 10 12

y 5 10 15 20 y 2 4 6 8

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