Unit 2 Proportional Relationships

1. Which graph represents a proportional relationship?

• A

• B

• C

• D

If 1 pound of blueberries costs $2.75, how much do 6 pounds cost?

• $12.75

• $16

• $16.50

• $16.75

The graph shows the cost of pounds of blueberries. It is a proportional relationship.

Select the 2 true statements.

• 1 pound of blueberries costs $2.75

• 2.75 pounds of blueberries cost $1.

• 5 pounds of blueberries cost $15.50

• 6 pounds of blueberries cost $16.50

• The point (3, 9) is on the graph of the proportional relationship.

Andre rode his bike at a constant speed.

He rode 1 mile in 5 minutes.

Write an equation for this relationship. Use use d for distance (miles) and t for time (minutes).

• t = 5d

• t = 1/5d

• t = d + 4

• t = d - 4

Which container is filling more quickly?

• A

• B

Does this equation show a proportional relationship?

F = 9/5C + 32

• YES

• NO

A recipe calls for 3 tbsp of oil for every 2 tbsp of lemon. The graph shows this relationship.

How much oil is needed with 1 tbsp of lemon?

• 1

• 1.5

• 2

• 3

An ​equation​ that represents the

relationship between raspberries and cost is y = 2/5 x. Write the other equation for the same relationship. (no spaces)

A customer buys 12 oz of honey for $5.40.

● How much does honey cost per ounce?

• $0.45

• $2.20

• $0.75

• $2.50

A trail mix recipe asks for 4 cups of raisins for every 6 cups of peanuts. Choose the two equations that represent this relationship.

• y = 2/3 x

• y = 6x

• y = 3/2 x

• y = 4x