Direct and Inverse Relationship

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

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

Is the given table a direct variation? If so, what is the constant of variation?

• Yes; 1/3

• Yes; 3

• Yes; 5

• No

Which of the given graphs is a direct variation?

• A

• B

• C

• D

Tell whether x and y show an inverse or direct relationship

• inverse

• direct

In a direct relationship the constant of variation is the product of x and y, and in an inverse relationship the constant of variation is the quotient of x and y.

• True

• False

Are these the graphs of two inverse functions?

• Yes

• No

• No way to tell

Classify the equation:
15x=3y

• Direct Variation

• Inverse Variation

• Joint Variation

• Linear Equation

Are the blue and red graphs inverse functions?

• yes

• no

• no way to tell