Constant of Proportionality and Unit Rate

Does this graph show a proportional relationship?

• yes

• no

• you cannot tell

You spend $40 on 5 pounds of concrete. What is the unit rate in dollars per pound?

• $8 per pound

• $5 per pound

• $35 per pound

• 0.125 pounds per dollar

Which rate is equivalent to $9 per hour?

• $27 in 3 hours

• $28 in 4 hours

• $33 in 3 hours

My aunt paid $124 for 4 concert tickets.  What is the rate for 7 concert tickets?

• $210

• $264

• $217

• $224

• A

• B

• C

• D

What is the unit rate, or constant of proportionality?

• 1/3

• 3

• 1/2

• 2

True or False: The Constant of Proportionality is the SAME EXACT THING as a Unit Rate.

• True

• False

Constant of proportionality is the same as what vocab term?

What is the cost per hour for a canoe rental?

• $12 per hour

• $14 per hour

• $18 per hour

• $26 per hour

• A

• B

• C

• D