Inverse Variation Table Practice

Given that y varies inversely with x, if x =7 and y = 4, what is y when x = 2?

• 14

• 10

• 2

• -14

If y varies inversely as x and x=5 when y=20, then what is the constant of variation, k?

• 121

• 4

• 100

• 6

Which of the following represents the graph below?

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The amount of time in hours that takes to clean a building varies inversely with the number of custodians. If it takes 7 hours to clean with 10 custodians, how long will it take to clean with 5?

• 3.5

• 14

• 7

• 15

Is the given table a direct or inverse variation? What is the constant of variation?

• Direct, 12

• Inverse, 12

• direct variation
• inverse variation
• neither direct nor inverse variation

• direct variation
• inverse variation
• joint variation
• none of these

Suppose y varies inversely with x.
If y = 150 when x = 2, find y when x = 25.

• 300

• 75

• 1,875

• 12

Determine the type of variation:

• Direct

• Inverse

• Neither