Unit 6: Direct and Inverse Variation

What type of Variation is this?

y=3x

• Direct

• Inverse

• Direct

• Inverse

What type of Variation is this?

xy=20

• Direct

• Inverse

• Direct

• Inverse

What is the K of this direct variation?

y=6x

• 6

• 1

• 3

• 2

• 1/7

• 7

• 1

• -1

• 3/5

• 5

• 5/3

• 3

Which direct variation equation is true for the statement below:

If y = 10 when x =5 .

• y=5x

• y=2x

Which inverse variation equation describes the statement below:

When y=2 and x=9 what is the equation?

• y=4.5x

• y=-4.5x

If you are purchasing gas at a gas station which type of variation are you experiencing?

• Direct

• Inverse