Unit 3.5 Assessment

Which graph represents a proportional relationship?

• A

• B

• C

• D

Tags

CCSS.7.RP.A.2D

The graph shows the cost C in dollars of w pounds of blueberries, a proportional relationship.

Select the TWO true statements.

• 1 pound of blueberries costs $2.75.

• 2.75 pounds of blueberries cost $1.

• 5 pounds of blueberries cost $15.50.

• 12 pounds of blueberries cost $33.

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

Tags

CCSS.7.RP.A.2D

Andre rode his bike at a constant speed. He rode 1 mile in 5 minutes.

Which of these equations represents the amount of time t (in minutes) that it takes him to ride a distance of d miles?

• t = 5d

• t = (1/5)d

• t = d + 4

• t = d - 4

Tags

CCSS.6.EE.C.9

The two lines represent the amount of water, over time, in two tanks that are the same size. Which container is filling more quickly? Explain how you know.

• Container A

• Container B

• They are both filling at the same rate.

• Not enough information.

Tags

CCSS.8.F.A.2

CCSS.HSF.IF.C.9

The table shows the weights of apples at a grocery store.

There is a proportional relationship between the number of apples and their weight. What will be the weight of 2 apples? (number only!)

The table shows the weights of apples at a grocery store.

There is a proportional relationship between the number of apples and their weight. What will be the weight of 12 apples? (number only!)

The equation F = 9/5C + 32 relates temperature measured in degrees Celsius, C, to degrees Fahrenheit, F. Determine whether there is a proportional relationship between C and F.

• There IS a proportional relationship between C and F.

• There is NOT a proportional relationship between C and F.

• There is not enough information to determine if the relationship between C & F is proportional.

Tags

CCSS.7.RP.A.2A

A recipe for salad dressing calls for 3 tablespoons of oil for every 2 tablespoons of vinegar. The line represents the relationship between the amount of oil and the amount of vinegar needed to make salad dressing according to this recipe. The point(1, 1.5) is on the line.

What does x represent?

Tags

CCSS.8.EE.B.5

A recipe for salad dressing calls for 3 tablespoons of oil for every 2 tablespoons of vinegar. The line represents the relationship between the amount of oil and the amount of vinegar needed to make salad dressing according to this recipe. The point(1, 1.5) is on the line.

What does y represent?

Tags

CCSS.8.EE.B.5

A recipe for salad dressing calls for 3 tablespoons of oil for every 2 tablespoons of vinegar. The line represents the relationship between the amount of oil and the amount of vinegar needed to make salad dressing according to this recipe. The point(1, 1.5) is on the line.

Write an equation that represents the proportional relationship between oil and vinegar.

Tags

CCSS.7.RP.A.2C