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Math 7 Unit 2 Retake

Last updated over 5 years ago

9 questions

Note from the author:

Kendall Hunt Illustrative Mathematics 

2

5

Question 1

1.

Which graph represents a proportional relationship? Explain your thinking.

A

B

C

Question 2

2.

A. 1 pound of blueberries costs $2.75.

2

2

Question 4

4.

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

A

2

2

Question 6

6.

1

3

2

D

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

Select all the true statements. Show your work.

B. 2.75 pounds of blueberries cost $1.

C. 5 pounds of blueberries cost $15.50.

D. 12 pounds of blueberries cost $33.

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

Question 3

3.

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? SHOW YOUR WORK!

A

B

B

Question 5

5.

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

There is a proportional relationhip between C and F. EXPLAIN or SHOW YOUR REASONING.

TRUE

FALSE

Question 7

7.

Label the axes appropriately.

Question 8

8.

Write an equation that represents the proportional relationship between oil and vinegar. Indicate the meaning of each variable.

Question 9

9.

Explain the meaning of the point (1, 1.5) in terms of the situation.

C

D