9.6 Warm Up (Direct & Inverse Variation)

What is the formula for direct variation? (do not enter any spaces)

What is the formula for inverse variation? (do not enter any spaces)

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

• Yes; 1/3
• Yes; 3
• Yes; 5
• No

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

• True
• False

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

• (0, 0)
• (1, 0)
• (0, 1)
• (1, 1)

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

Determine the type of variation:

• Direct
• Inverse
• Neither

Which of the following is NOT a direct variation?

• y = -2x
• y = 1/2x
• 2x + 3y = 2
• 3y = 4x

Which equations represent an inverse variation? Check all that apply.

Which equation is a direct variation?

• A = 500 + B

• A = 500B

• 500 = A + B

• 500 = AB