DPM 2 Review

Question 1: Maxine made the following statements about the data. Which of the following TWO statements that Maxine made are true about the data?

• The more a package weighs, the cost to ship it will probably increase.

• The less a package weighs, the cost to ship it will probably increase.

• The data shows a positive linear association.

• It would cost between $10 and $15 to ship a 15-pound package.

• The association between the weight of a package and the cost to ship it is non-linear.

Tags

CCSS.HSF-LE.A.1B

Question 2: Which of the following two statements is true about the graph?

• The graph shows proportional relationship because the graph is linear and passes through 3 different quadrants.

• The graph shows a non-proportional relationship because the graph is linear and does not contain the origin.

• The graph shows a proportional relationship because the graph is linear and has a positive slope.

• The graph shows a non-portional relationship because it is linear, the y-intercept is positive, and the x-intercept is negative.

• The graph shows a linear relationship because it has a constant rate of change.

Tags

CCSS.8.EE.B.5

Question 3: Which function is best represented by the graph below?

• y= 1/2 x - 3

• y = 2x - 3

• y = 2x + 6

• y = 1/2 x + 6

Tags

CCSS.8.F.B.4

CCSS.HSF.LE.A.2

Question 4: What is the slope of the graph? (write your answer as a simplified fraction.)

Tags

CCSS.8.EE.B.5

Question 5:
Look at the table below:

The slope of the line is _ and the y-intercept of the line is _.

Tags

CCSS.8.EE.B.5

Question 6:
The amount of water an electric washing machine uses to wash clothes varies directly with the number of loads of clothes. The washing machine uses 115 gallons of water to wash 5 loads of clothes. How many gallons of water will the washing machine use to wash 9 loads of clothes?

Question 7:
The cost of 5 bracelets is $12.50. Each bracelet costs the same amount. Which graph has a slope that represents the cost of 1 bracelet?

• A

• B

• C

• D

Tags

CCSS.8.EE.B.5

Question 8:
A teacher bought sets of books at a cost of $17.95 per set. The teacher also paid a one-time shipping fee of $22. Which table shows the relationship between the total cost of the books and the number of sets of books the teacher bought?

• F

• G

• H

• J

Tags

CCSS.HSF-BF.A.1A

Question 9:
Which of the following scatterplots shows a linear association?

• A

• B

• C

• D

Tags

CCSS.8.F.A.3

Question 10:
A coach is ordering shirts for a team.

The coach pays a one-time fee of $24.

The coach also pays $8 for each shirt ordered.

Which function can be used to find c, the total amount the coach pays in dollars when k shirts are ordered?

• c = 8k + 32

• c = 8k + 24

• c = 32k + 8

• c = 24k + 8

Tags

CCSS.HSF-BF.A.1A