Unit 2 Constant of Proportionality Review

Which graph represents a proportional relationship?

• A

• B

• C

• D

Tags

CCSS.7.RP.A.2D

The graph shows the cost C in dollars of w pounds of blueberries, a proportional relationship. Using the Constant of Proportionality, which statement it true.

• 1 pound of blueberries costs $2.75.

• 2.75 pounds of blueberries cost $1.

• 5 pounds of blueberries cost $15.50.

• 16.50 pounds of blueberries cost $6.

Tags

CCSS.7.RP.A.2B

Andre rode his bike at a constant speed. He rode 1 mile in 5 minutes.

Which of these equations represents the amount of time t (in minutes) that it takes him to ride a distance of d miles?

(t = time is y)

(d = distance is x)

• t = (1/5)d

• t = d + 4

• t=5d

• t = d - 4

Tags

CCSS.7.RP.A.2C

The two lines represent the amount of water, over time, in two tanks that are the same size. Which container has the highest Constant of Proportionality (filling the fastest)?

• Container B

• Container A

• Containers A & B

• Cannot be determined ..not enough information displayed on the graph

Tags

CCSS.7.RP.A.2D

The table shows the weights of apples at a grocery store. Complete the table by finding the missing value in Row 3.

• 144

• .12

• 12

• 1.44

Tags

CCSS.6.RP.A.3B

The equation F = 9/5C + 32 shows a proportional relationship in relation to temperature measured in degrees Celsius, C, to degrees Fahrenheit, F.

True or False?

• True

• False

Tags

CCSS.7.RP.A.2D

Which representation shows a proportional relationship between x and y?

• A

• B

• C

• D

Tags

CCSS.7.RP.A.2D

If it takes Joan 10 weeks to make 2 dollhouses, how long will it take her to make 15 dollhouses?

• 3 weeks

• 30 weeks

• 75 weeks

• 150 weeks

Tags

CCSS.6.RP.A.3B

What is the constant of proportionality in the equation y = 16.41z?

• y

• 16.41z

• 16.41

• z

Tags

CCSS.7.RP.A.2B

The table represents the proportional relationship. What is the total cost for 4 tickets.

• $45.00

• $67.50

• $90.00

• $202.50

Tags

CCSS.6.RP.A.1

CCSS.6.RP.A.2

CCSS.6.RP.A.3