Proportions & Equations Review

What is the constant of proportionality (unit rate or r)?

• Not here.

• $80 per month.

• $82 per month.

• $41 per month.

If the relationship in the table is proportional, write its equation.

• $y=16x$

• $y=8x$

• $x=8y$

• $x=16y$

• The relationship is not proportional

Tags

CCSS.7.RP.A.2C

If the relationship in the table is proportional, write its equation.

• $y=2.8x$

• $x=2.8y$

• $y=2.125x$

• $x=2.125y$

• The relationship is not proportional

Tags

CCSS.6.EE.C.9

CCSS.6.RP.A.3

If the relationship in the table is proportional, write its equation.

• $y=9x$

• $x=9y$

• $y=18x$

• $x=18y$

• The relationship is not proportional

Tags

CCSS.7.RP.A.2C

Solve the proportion:

• c = 4

• c = 8

• c = 14

• c = 10

Tags

CCSS.7.RP.A.2B

Solve for x 

• x = 16
• x = 28
• x = 1/26
• x = 26

Tags

CCSS.7.RP.A.2B

Solve the proportion.

• q=2
• q=9
• q=4.5
• q=6

Tags

CCSS.7.RP.A.2B

Pat needs 14 sticks of pepperoni to make 28 pizzas.  How many sticks of pepperoni are needed to make 36 pizzas?  

• 15 pizzas
• 252 sticks
• 18 sticks
• 18 pizzas

Tags

CCSS.6.RP.A.1

CCSS.6.RP.A.2

CCSS.6.RP.A.3

A car travels 420 miles in 8 hours.  If the car continues at the same rate, how far will it travel in 12 hours?

• 630 miles
• 630 hours
• 600 miles
• 540 hours

Tags

CCSS.6.RP.A.1

CCSS.6.RP.A.2

CCSS.6.RP.A.3

12 ounce shampoo bottle lasts Mike 16 weeks.  How long would you expect an 18-ounce bottle of the same brand to last him?

• 24 weeks
• 6 weeks
• 30 weeks
• 20 weeks

Tags

CCSS.6.RP.A.1

CCSS.6.RP.A.2

CCSS.6.RP.A.3