PA Chapter 6 Quiz#2 Reivew

Determine the constant of proportionality in the direct proportion equation below.

y = 8x

• y

• 8

• x

Determine the constant of proportionality in the graph below.

• k = 100

• k = 50

• k = 75

• k = 25

Y is directly proportional to x. Determine the constant of proportionality.

• k = 1.5

• k = 1

Y is directly proportional to x. Write a direct proportion equation for the table below.

• k = 3

• k = 21

• k = 12

y is inversely proportional to x, and y = 2 and x = 5. Find the constant of proportionality.

• 10

• 2/5

• 2 1/2

• 20

y is inversely proportional to x, and y = 12 and x = 6. Write an equation relating y to x.

• y = 72x

• y = 2x

A game is sold for $50 in 2022. The game is then sold for $70 in 2024. Determine the percent of change.

• 71%

• 140%

• 40%

• 205