Understanding functions

Is the graph a direct variation. If not, find the slope.

• No, 2/5

• No, 5/2

• Yes, 1/2

• Yes, 2

Determine the type of variation.

• Direct

• Inverse

• Neither

Which of the following equations are direct variations?

Which equations/formulas represent direct variation and inverse variation?

Select the correct answers.

• Direct Variation Equation: y= kx

• Direct Variation Equation: $y=\frac{k}{x}$

• Inverse Variation Equation: y= kx

• Inverse Variation Equation: $y=\frac{k}{x}$

What type of variation is represented by this scenario?

The number of lottery tickets you buy versus your chances of winning the lottery.

• Direct

• Inverse

• Joint

• None

Identify the type of variation represented by the given relation.

• Direct

• Inverse

• Neither

Which of the following represents inverse variation?

• y = mx

• y = k/x

• y = x/k

• y = x^2

x = 16/y 

• Direct
• Inverse
• Neither

Determine the type of variation:

• Linear

• Inverse

The retail price of sweatshirt and the amount of sales tax you pay?

• Direct Variation

• Inverse Variation