SOL A.8 Direct and Inverse Variation

Which is an equation for the direct variation that includes the given data?

• xy=2

• y=2x

• y=5x

• y=8x

Which is an equation for the inverse variation that includes the given data?

• y=15/x

• y=x+2

• y=15x

• y=x/15

Which is an equation for the direct variation that includes the given data?

• y=x-2

• y=x/2

• y=2x

• y=x+2

Which table represents an inverse variation?

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Select three ordered pairs that will create a relation that is a direct variation.

• (8, 6)

• (9,15)

• (4, 3)

• (3, 2.25)

• (4, 8)

Which graph shows that y varies directly as x?

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The number of water bottles used during a team's football practice varies directly with the temperature. If a team uses 75 bottles when the temperature is 60^o, what is the temperature if they use 120 bottles?

• 92^o

• 84^o

• 96^o

• 80^o

The number of miles, m, a car can travel varies directly with the amount of gas, g, in its fuel tank. If k is the constant of variation, which equation represents that situation?

• m=g+k

• m=kg

• m=k/g

• m=g/k

Which relation represents an inverse variation?

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Which of the following tables represent a direct variation. Select all that apply.

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