Graphs of Inverse Variation

Determine the type of variation:

• Direct

• Inverse

• Neither

Which of the following represents inverse variation?

• y = kx

• y = k/x

• y = x/k

• y = mx + b

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

• Direct, 12

• Inverse, 12

• Direct, 1/12

• Inverse, 1/12

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

• 4

• 14 

• 7

• 28

The image is an example of the graph of a(n)

• direct variation

• inverse variation

• neither

• both

What would the equation be for this graph?

• y=x

• y=1/x

Write the equation for the graph.

Which graph shows a negative inverse variation to an odd power?

• 
• 
• 
• 

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