Quiz 3

Which of the following ratios is equivalent to the ratio 3:4?

• 6:8

• 9:12

• 12:16

• All of the above

If 5 notebooks cost $15, how much would 8 notebooks cost if the relationship is proportional?

• $18

• $24

• $30

• $36

Determine if the following pairs of numbers are in a proportional relationship: (2, 4) and (3, 6).

• Yes

• No

• 1

• 5

• 10

• 0

Write the equation that represents the proportional relationship where the constant of proportionality is 7.

What does the point (0, 0) represent on the graph of a proportional relationship?

• The starting point

• The unit rate

• The origin

• The slope

If a car travels 60 miles in 1 hour, what is the unit rate in miles per hour?

• 30 mph

• 60 mph

• 90 mph

• 120 mph

Which of the following graphs represents a proportional relationship?

• A straight line through the origin

• A curved line

• A horizontal line

• A vertical line

If the ratio of red to blue marbles is 2:3, how many blue marbles are there if there are 10 red marbles?

• 12

• 15

• 18

• 20

• 1

• 2

• 4

• 8