Ratio and Proportion Review for Assessment

What is the formula for a proportional relationship?

• y+ k = yz

• y = kx

• z = ykz

• y = ky

Tags

CCSS.7.RP.A.2C

A hat costs $18 dollars and has a markup of 25%. What is the retail price?

• $22.50

• $25.00

• $33.50

• $15.60

Tags

CCSS.6.RP.A.3C

If the constant of proportionality is 10, which of the following is the correct proportional equation.

• 10 = kx

• 10 = k

• y = 10x

• 10 = yk

Tags

CCSS.7.RP.A.2C

Find the percent of change.

From 20 miles to 11 miles.

• 45% decrease

• 80% decrease

• 40% increase

• 50% decrease

Tags

CCSS.6.RP.A.3C

What is the constant of proportionality?

• 1/3

• 3

• 6

• 4

Tags

CCSS.7.RP.A.2B

A new book if originally costs $22.50 It is on sale for 30% off. What is the sales price?

• $15.75

• $16.50

• $20.00

• $25.00

Tags

CCSS.6.RP.A.3C

What is the equation that is being represented by the graph below?

• y = 180x

• y = 60 + k

• y = 60x

• y = 120x

Tags

CCSS.8.EE.B.5

Find the Percent of change.

From $20 to $25.

• 50% increase

• 20% increase

• 100% increase

• 25% increase

Tags

CCSS.6.RP.A.3C

What is the constant of proportionality for this table?

• 1/9

• 18

• 9

• 27

Tags

CCSS.7.RP.A.2B

A video game at a story cost $60, and has a tax of 6%. What is the retail price of the video game?

• $63.60

• $65.00

• $56.40

• $95.00

Tags

CCSS.6.RP.A.3C