Unit Rate and Constant of Proportionality

In the equation y = 14x, what is the constant of proportionality?

• y
• x
• 14

Tags

CCSS.7.RP.A.2B

Find the unit rate of 624 calories in 3 servings.

• 1,872 calories per serving
• 208 calories per serving
• 624 calories per serving
• 621 calories per serving

Tags

CCSS.6.RP.A.1

CCSS.6.RP.A.2

Write an equation for this situation.

• y=9.75x
• y=19x
• y=19.25x
• y=9.5x

Tags

CCSS.8.F.B.4

CCSS.HSF.LE.A.2

Craig earns extra money as a lifeguard. He earns $37 for 4 hours and $64.75 for 7 hours.  What is the constant of proportionality? 

• $37
• $64.75
• $9.25
• $18.50

Tags

CCSS.7.RP.A.2B

Determine the missing value in the table.

• 15
• 3
• 1/3
• 9

Tags

CCSS.5.OA.B.3

Identify the constant of proportionality.

• k = 5

• k = 1/5

• k = 1

• k = 2.5

• none (not proportional)

Tags

CCSS.7.RP.A.2B

Identify the constant of proportionality.

• k = 2

• k = 3

• k = 1.50

• k = 2/3

• none (not proportional)

Tags

CCSS.7.RP.A.2B

Find the unit rate.

18 orders in 3 days = ________ orders per day

• 3

• 9

• 6

• 8

Tags

CCSS.6.RP.A.1

CCSS.6.RP.A.2

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

• $8 per pound

• $35 per pound

• $5 per pound

• 0.125 pounds per dollar

Tags

CCSS.6.RP.A.1

CCSS.6.RP.A.2

The Williams family bought four concert tickets for $252.  What was the price per ticket?

• $62.00

• $6.30

• $63.00

• $60.00

Tags

CCSS.6.RP.A.1

CCSS.6.RP.A.2