Unit 2 Review

Is this graph proportional?

• Yes

• No

Is this graph proportional?

• Yes

• No

Is this graph proportional?

• Yes

• No

Is this graph proportional?

• Yes

• No

Amy hikes at an average speed of 3 miles per hour.

What is her constant of proportionality?

• 1/3

• 2

• 3

• 1/2

Amy hikes at an average speed of 3 miles per hour.

How far does she walk in 8 hours?

• 4

• 8

• 16

• 24

2 pounds of raspberries cost $6.50. How much does it cost for 8 pounds of raspberries?

• $26

• $3.25

• $9.75

• $13

Is this table proportional?

• Yes

• No

Is the table proportional?

• Yes

• No

Which equation shows a proportional relationship between the variables x and y?

• y=3/x

• y=3+x

• y=3-x

• y=3x