Proportions Quiz

What is a ratio?

• A ratio is a comparison between two or more quantities.

• A ratio is a type of fraction.

• A ratio is a measurement of distance.

• A ratio is a unit of measurement.

Simplify the ratio 4:8.

• 1:2

• 5:10

• 3:6

• 2:4

What is a proportional relationship?

• A proportional relationship is a relationship between two quantities in which the ratio of one quantity to the other quantity remains constant.

• A proportional relationship is a relationship between two quantities in which the ratio of one quantity to the other quantity changes randomly.

• A proportional relationship is a relationship between two quantities in which the ratio of one quantity to the other quantity increases exponentially.

• A proportional relationship is a relationship between two quantities in which the ratio of one quantity to the other quantity decreases linearly.

If 3 pens cost $6, how much would 5 pens cost?

• $10

• $8

• $15

• $12

If 2 apples weigh 0.5 pounds, how much would 6 apples weigh?

• 2 pounds

• 0.8 pounds

• 1.5 pounds

• 0.3 pounds

What is the constant of proportionality in the equation y = 2x?

• 1

• 3

• 4

• 2

If 4 workers can complete a task in 6 hours, how many workers are needed to complete the task in 3 hours?

• 8

• 10

• 6

• 2

If 5 cups of flour are needed to make 20 cookies, how many cups of flour are needed to make 60 cookies?

• 15

• 10

• 25

• 30

If the ratio of boys to girls in a class is 3:5, and there are 24 boys, how many girls are there?

• 48

• 40

• 32

• 36

If the ratio of the lengths of two sides of a triangle is 2:5, and one side is 6 cm, what is the length of the other side?

• 3

• 15

• 10

• 8