Ratios and Proportions

Which line shows a proportional relationship between x and y?

• Line L

• Line M

Which graph is non-proportional?

• A

• B

• C

• D

In the equation y = 14x, what is the constant of proportionality?

• y

• x

• 14

What makes a graph proportional?

• Linear

• The line goes through the origin

• Curvy line

• Linear and the line goes through the origin

Which of these describes the unit rate?

• a unit of measure

• a fraction with a numerator of one

• a fraction with a denominator of one

• a proportion

Solve the proportion.

• p=31.3

• p=308

• p=924

• p=532

Solve the proportion.

• 18

• 3

• 2

• 9

Solve the proportion.

• 60

• 15

• 3

• 12

Solve the proportion.

• 20

• 7

• 22

• 11

Solve the proportion.

• 10

• -2

• 4

• -7