Inverse Variation

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

• 300
• 75
• 1,875
• 12

Assume y varies inversely with x. If x=7 when y=4, what is y when x=2 ?

• 4
• 14 
• 7
• 28

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

• 121
• 4
• 100
• 6

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

• 300
• 75
• 1,875
• 12

The variables x and y vary inversely, and y = 8 when x = 4.

Write an equation that relates x and y.

• y = 32 x

• y = ³² / _x

• y = 2 x

• y = ² / _x

What is the equation for inverse variation?

• y = k/x

• y = k * x

• y = k + x

• y = k^x

If y varies inversely with x, and y = 10 when x = 5, what is the value of y when x = 2?

• 25

• 12

• 5

• 2.5

If y varies inversely with x, and y = 6 when x = 4, what is the value of x when y = 9?

• 4

• 8/3

• 3

• 2

If y varies inversely with x, and y = 12 when x = 3, what is the value of y when x = 6?

• 8

• 4

• 6

• 2

If y varies inversely with x, and y = 8 when x = 2, what is the value of x when y = 16?

• 4

• 1

• 2

• 6