Rates and Proportions Test Review1/2

Which situation is best described by the graph shown?

• A. Mrs. Smith purchases candy for $3.00 per bag.

• B. Mark buys a pack of mints for $6.25 each.

• C. Pam pays $0.25 per game at the fair.

• D. Fred purchases flowers for $4.00 each.

Tags

CCSS.7.RP.A.2D

Find the constant of proportionality if the graph below.

• 1

• 2

• 3

• 4

Tags

CCSS.7.RP.A.2B

Mark can row 2/5 of a mile in 1/2 of an hour. What is the unit rate that described the miles per hour?

• 4/5 miles per hour

• 1 1/4 miles per hour

• 4/5 hours per mile

• 1 1/4 hours per mile

Tags

CCSS.7.RP.A.1

A bag of kettle corn contains 525 calories and serves 4.2 people. How many calories are in each serving per person?

• 138 calories

• 125 calories

• 80 calories

• 139.5 calories

Tags

CCSS.6.NS.B.3

An music app designer projects that he will earn $275.00 for every 125 music app downloaded. Which of the following equations can be used to represent the proportional relationship between the number of music apps, x, and the total earnings, y?

• A. y = 125x + 275

• B. y = 275x +125

• C. x = 2.20y

• D. y = 2.20x

Tags

CCSS.7.RP.A.2C

Based on the information in the table, what is the constant of proportionality?

• 2

• 3

• 6

• 5

Tags

CCSS.7.RP.A.2B

The graph below shows the relationship between the temperatre over a period of time. Which is the following statements is NOT true about the relationship?

• A. After 4 hours, the temperature is 50 degrees.

• B. It is 55 degrees after 8 hours.

• C. The relationship is proportional.

• D. 50/4 =25

Tags

CCSS.7.RP.A.2D

The table below shows the relationship between the number of miles traveled, y, and the number of hours passed, x. Which equation best describes the table.

• y=60x

• y=1/60x

• y=2x

Tags

CCSS.7.RP.A.2B

The graph shows the amount of pages Matt reads each hour. Which best represents the unit rate?

• (0,0)

• (1, 40)

• (40, 1)

• (20, 1)

Tags

CCSS.7.RP.A.2D

Which of the following does NOT represent the number of seasons in a year?

• Graph showing 4 seasons

• Table showing time in seasons and years with the unit rate of 3/1

• y = 4x, where x represents the number of years and y represents the number of seaons

• There are 8 seasons in 2 years.

Tags

CCSS.7.RP.A.1

CCSS.7.RP.A.2

CCSS.7.RP.A.3