Linear Relationships Review

Select the INCORRECT statement about this scenario given the graph.

• The starting height of the banana tree is 8 inches

• The tree is growing consistently each day

• This is an example of a proportional relationship

• The tree grows 4 inches each day

• At day 3, the banana tree was 20 inches in height.

Tags

CCSS.8.EE.B.5

The following table shows Tom's savings account. How much money did he put in when he opened the savings account?

• $0

• $5

• $10

• $15

Tags

CCSS.HSF.LE.B.5

Alex works a part time job at a shoe store. He is paid on an hourly basis. The graph shows Alex's earnings based on the number of hours he works. Alex looks at the graph. He says "If I work 4 hours instead of 3, I will make $25.00 more". Is Alex correct? Select the best answer.

• No, this is not correct. If he work 4 hours instead of 3, he will make $100 more.

• Yes, this is correct. The unit rate, or money earned per hour, is $25. With each hour worked, he will make $25 more dollars.

Tags

CCSS.HSF.LE.B.5

Lena paid $18.96 for 3 pounds of coffee. How much did she pay for 1 pound of coffee?

• $6.32 for 1 pound

• $0.16 for 1 pound of coffee

• $18.96 for 1 pound of coffee

Tags

CCSS.HSF-LE.A.1B

The graph shows the amount of fines charged per day for overdue books. Find the rate of the line and then choose the correct statement.

• The rate is $\frac{1}{2}$ . This means the library fine increases by $1.00 for every 2 overdue books. Written as a unit rate, $\frac{1}{2}$ is $0.50. The fine is $0.50 per overdue book per day.

• The rate is $\frac{2}{3}$ . This means that the library fine increases by $2.00 for every 3 overdue books. Written as a unit rate, the fine is $0.66. The fine is $0.66  per overdue book per day.

• The rate is 2. This means that the library fine increases by $2.00 for every 1 overdue book per day. The fine is $2.00 per overdue book per day.

• The rate is 1. This means that the library fine increases by $1.00 for every 1 overdue book. The fine is $1.00 per overdue book per day.

Tags

CCSS.HSF.IF.B.4

Which of these graphs correctly represents the equation  $y=2x$  

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Tags

CCSS.6.EE.C.9

Which of the graphs shown match the table?

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Tags

CCSS.8.EE.B.5

The graphs show the cost of buying fruit. One line shows the cost of buying x pounds of plums and the other shows the cost of buying x pounds of peaches. Which kind of fruit costs more per pound?

• Plums because the line is the least steep

• Peaches because the line is the most steep

• You can't tell because there are no numbers

Tags

CCSS.8.EE.B.5

Bananas cost less per pound than peaches and plums. If you were asked to draw a line for purchasing bananas, where would you place the line?

• Above the peaches line

• In between the peaches and plums line

• Below the plums line

• You can't tell with no numbers on the graph

Tags

CCSS.8.EE.B.5

Kell works at an after school program at an elementary school. The table shows how much money Kell earned every day last week.

Mariko has a job mowing lawns that pays $7 per hour.

Who would make more money in 10 hours?

• Kell earns $8.40 per hour and that is more than the $7 per hour that Mariko makes.

• Kell earns $12.60 per hour and that is more than the $7 per hour that Mariko makes.

• Mariko will make more money in 10 hours because it is easier to mow lawns than work at an after school program

• They make the same amount of money per hour

Tags

CCSS.HSF-LE.A.1B