Adv Alg 7.1

If y varies inversely as x and x=5 when y=20, what is the constant of variation, a?

• 121

• 4

• 100

• 6

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

Suppose y varies inversely with x.
If y = 150 when x = 2, find y when x = 25.

• 300
• 75
• 1,875
• 12

Classify the equation:
15x=3y

• Direct Variation
• Inverse Variation
• Joint Variation
• Linear Equation

Tags

CCSS.7.RP.A.2D

What kind of equation is this?

xy=8

• Quadratic Equation

• Direct Variation

• Inverse Variation

• Joint Variation