Constant of Proportionality

Find the Unit Rate.
405 rotations in 5 minutes   

• 81 rotations per minute

• 73 rotations per minute

• 18 rotations per minute

• 810 rotations in 10 minutes

Does the table represent a proportional relationship?

• Yes.

• No.

A job pays $56 for 8 hours of work.  How much money does the job pay per hour?

• $7 per hour

• $8 per hour

• $6 per hour

• $7.50 per hour

Which statement best describes the relationship in the table?

• Proportional

• Not Proportional

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

Is the given table a proportional relationship? If so, what is the constant of proportionality?

• Yes; 1/3

• Yes; 3

• Yes; 5

• No

Determine the missing value in the table.

• 15

• 3

• 1/3

• 9

What is the constant of proportionality for the following graph?

• 80

• 20

• 40

• 160

If Justin ordered 5 ice cream bars for $12.25, how much was each ice cream bar?

• $2.45

• $4.00

• $7.25

• $1.25

Which statement matches the graph?

• Proportional, constant of proportionality = 5

• Proportional, constant of proportionality = 10

• Proportional, constant of proportionality = 1

• Not Proportional