Proportional Relationships Review

Tory runs at a constant rate. The graph of his progress is shown. Which statements are true?

• the slope of the line 5/2 mile per minute is different than the unit rate

• the slope of the line 2/5 mile per minute is different then the unit rate

• the slope of the line  5/2 mile per minute is the same as the unit rate

• the slope of the line  2/5 mile per minute is the same as the unit rate

What is the number of cakes per hour jasmine can decorate?

• 9

• 6

• 3

• 0

Write an equation that can be used to describe the relationship between x and y shown in the graph. 

• y=2x

• y=0.5x

• y=-2x

• y=-0.5x

The graph shows how the number of weeks x relates to the corresponding amount of money saved y. Create an equation that represents the relationship

• y=x+30

• y=30x+1

• y=5x+30

• y=30x+5

A family makes homemade pickles. They pick the pickles at a rate of 80 pickles per 5 jars. Which answer choices best represent packing y pickles in x jars at that rate? Select TWO correct answers.

Answer the following questions.

c

d

g

i

f

100

4500

no

10,500

yes

y = 1500x

y=10x

y=4500x

10

1,500

What is the equation that represents this table?

• y=20x+10

• y=2x

• y=10x+20

• y=20x

What is the equation that represents this table?

• y=20x+450

• y=20x+250

• y=10x+200

• y=10x+450

Determine the constant rate of change between x and y

• 2/4

• 2

• -4

• 1/-4

Does this graph represent a proportional relationship?

• Yes

• No