Proportional Relationships Review

What is the unit rate, or constant of proportionality?

• $3

• $4

• $2

• $9

Does this table represent a proportional relationship?

• Yes

• No

What word describes the constant value of the ratio of proportional quantities x and y? Hint: It is another word for the unit rate.

• Constant of Proportionality

• Equivalent Fraction

• Proportion

• Scale Factor

What is the unit rate, or constant of proportionality?

• k = 3

• k = 6

• k = 9

• k = 12

Solve the proportion.

• n=6

• n=24

• n=7

• n=8

Solve for the variable:

• 41

• 43

• 47

• 49

Given the graph of a line that passes through the origin and the point (4, 8), which of the following is true about the relationship between x and y?

• The relationship is not proportional.

• The relationship is proportional, and the constant of proportionality is 0.5.

• The relationship is proportional, and the constant of proportionality is 2.

• The relationship is proportional, but the constant of proportionality cannot be determined.

A graph shows a straight line that passes through the points (0,0) and (5,15). What is the equation of the line that represents this proportional relationship?

There is a proportional relationship between the number of kids in a group, x, and the total number of caramel chews Paco gives to that group, y. What is the constant of proportionality?

• k = 4

• k = 2

• k = 5

• k = 1

Which equation would match this proportional relationship?

• y = 45x 

• y = 30x 

• y = 15x 

• y = -45x