Constant of Proportionality CFA Review

Which table is proportional?

• A

• B

• C

• D

Complete the table so that there is a proportional relationship between the number of pears and their weight. What is a?

• 0.28
• 3.48

• 0.196

• 5.1

Complete the table so that there is a proportional relationship between the number of pears and their weight. What is b?

• 6.1

• 1.82

• 0.16

• 0.53

Consider the graph. What does point A represent?

• When the cost is $4, there are 20 pounds.

• When there are 4 pounds, the cost is $20.

• As the number of pounds increase by 4, the cost in dollars decreases by 20.

• As the number of pounds decrease by 4, the cost in dollars increases by 8.

Consider the graph. What does point A mean in terms of the unit rate?

• The cost for 20 pounds is $4.

• The cost for 5 pounds is $1.

• The cost for 1 pound is $5.

• The cost for 4 pounds is $25.

Consider the graph. What is the constant of proportionality?

• 20

• 4

• 1

• 5

Consider the graph. Write an equation representing the relationship between the number of pounds (p) and the total cost (c).

• p=5c

• c=5p

9. Colton runs 12 miles in 1.5 hours. Kwame runs 15 miles in 1.5 hours.  What is Colton's unit rate?

• 18

• 0.125

• 8

• 6

9. Colton runs 12 miles in 1.5 hours. Kwame runs 15 miles in 1.5 hours.  What is Kwame's unit rate?

• 22.5

• 10

• 0.1

• 8

9. Colton runs 12 miles in 1.5 hours. Kwame runs 15 miles in 1.5 hours.  Are Colton and Kwame running the same rate?

• yes

• no