Direct and 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

Tags

CCSS.8.EE.B.5

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

• Yes; 1/4

• Yes; 4

• Yes; 2

• No

Determine the type of variation:

• Direct

• Inverse

• Neither

What ordered pair does a direct variation always go through when graphed?

• (0, 0)

• (1, 0)

• (0, 1)

• (1, 1)

True or False:
An inverse variation is always a curve and a direct variation is always a line?

• True

• False

What is the constant (k) in this inverse variation?
y = 400/x

• x

• y

• 400

• Not enough information given

Tags

CCSS.HSF-LE.A.1B

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

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

The equation 
xy =  25  represents:

• direct variation

• inverse variation

• joint variation

• none of these