Proportional Relationships Quiz

Find the unit rate:  $3.60 for 3 pounds of apples. How much does it cost for 1 pound of apples?

• $1.00 per pound
• $3.60 per pound
• $1.20 per pound
• $1.10 per pound

If Justin can type 408 words in 4 minutes, how many words can he type per minute?

• 102 words per minute
• 100 words per minute
• 400 words per minute
• 412 words per minute

The constant of proportionality can be found by finding the __________  _____________.

• unit rate
• ratio rate
• proportion answer
• rational number

Which statement best describes the relationship between x and y in the table?

• Proportional
• Not Proportional

Does the table show a proportional relationship?

• Yes

• No

What is the constant of proportionality (in miles per hour) based on the table?

• 45
• 90
• 135
• 2

What makes a graph proportional?

• Straight line
• The line goes through the origin
• Curvy line
• Straight line and the line goes through the origin

• Proportional

• Non-proportional

• Proportional

• Non-proportional

What is the constant of proportionality for the following graph?

• 80
• 20
• 40
• 160