Inverse Variation Graphs

Is this proportional?

• yes

• no

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

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

• 121

• 4

• 100

• 6

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

• direct variation

• inverse variation

• neither

• both

What kind of variation is shown in the graph?

• Direct

• Inverse

Given (32, 15) and (12, y). Find the constant k of inverse variation, and then find the missing y value.

• 40

• 48

• -40

• -48

What would the equation be for this graph?

• y=x

• y=1/x

Write the equation for the graph.