Final Retake 7.2 End-of-Unit Assessment

Which graph represents a proportional relationship? Choose the one that shows a straight line passing through the origin.

• Graph A

• Graph B

• Graph C

• Graph D

Tags

CCSS.7.RP.A.2D

This graph shows the cost in dollars, C, of w pounds of blueberries. The relationship between C and w is proportional. Select all of the true statements.

• 2.75 pounds of blueberries cost $1.

• A constant of proportionality is $2.75.

• 5 pounds of blueberries cost $15.50.

• 12 pounds of blueberries cost $33.

• The point (3, 9) is on the graphed line.

Tags

CCSS.7.RP.A.2D

Kadeem rode his bike at a constant speed. He rode 1 mile in 5 minutes. Which equation represents the amount of time in minutes, t, that it took for him to ride a distance d miles?

Tags

CCSS.6.EE.C.9

These two lines represent the amount of water filling two tanks of the same size over time. Which tank is filling more quickly?

• Tank A

• Tank B

• Not enough information

Tags

CCSS.8.F.A.2

CCSS.HSF.IF.C.9

This table shows the weight of 100 raspberries at a market.

Complete the table so there is a proportional relationship between the number of raspberries and their weight.

• Yes. The equation is proportional because both units are about temperature.

• No. The equation is not proportional because it doesn't have a x or y variable.

Tags

CCSS.7.RP.A.2C

A cookie recipe uses 3 tablespoons of cookie batter for every 2 tablespoons of chocolate chips.

This line represents the relationship between tablespoons of cookie batter and tablespoons of chocolate chips in the recipe.

The point (1, 1.5) is on the line.

Label the axes to represent the situation

a

b

Cookie Batter (tbsp)

Chocolate Chips (tbsp)

Tags

CCSS.8.EE.B.5

A cookie recipe uses 3 tablespoons of cookie batter for every 2 tablespoons of chocolate chips.

Using b for the number of tablespoons of cookie batter and c for the number of tablespoons of chocolate chip, select an equation for the line that represents the situation best.

Tags

CCSS.HSF-BF.A.1A

A cookie recipe uses 3 tablespoons of cookie batter for every 2 tablespoons of chocolate chips.

The point (1, 1.5) is on the line that represents this relationship.

What does the point (1, 1.5) mean in this situation?

Tags

CCSS.8.EE.B.5