Proportional Equations Tables Graphs

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

• unit rate

• ratio rate

• proportion answer

• rational number

Tags

CCSS.7.RP.A.2B

Write an equation for this relationship.

• y = 18x

• y = 18.50x

• y = 22.50x

• y = 22x

Tags

CCSS.6.EE.C.9

Is this a proportional equation?  Why?

• It is not proportional because it doesn't have a constant.

• It is not proportional because it doesn't have a constant rate of change.

• It is proportional because if x = 0, y = 0.

• It is proportional because it has a y intercept of 22.

Tags

CCSS.7.RP.A.2D

Which statement about this graph is most true?

• It is proportional

• The cleaner uses 1 cup of vinegar to every 2 cups of cleaner

• The cleaner uses 4 cups of cleaner to 2 cups of vinegar

• All of the above

Tags

CCSS.7.RP.A.2D

What ratio is equivalent to 4:5? Select all that apply.

• 8:10

• 20:25

• 5:6

• 1:5/4

Tags

CCSS.6.RP.A.3A

Mr. Diaz changed his shower head to conserve water and energy. The table shows the relationship between the amount of flow and the duration of the water flow.

Which statement BEST describes the rate of water flow?

• 0.4 gallons per minute

• 2.1 gallons per minute

• 2.5 gallons per minute

• 3.0 gallons per minute

Tags

CCSS.7.RP.A.2D

Using the data in the table above, how much does 1 gallon of gas cost?

• $3.50

• $4.00

• $4.50

• $5.00

Tags

CCSS.6.RP.A.3B

Mason ran 3 miles in 20 minutes. What is his unit rate of miles per hour?

• 400 miles per hour

• 9 miles per hour

• 20 miles per hour

• 6.67 miles per hour

Tags

CCSS.6.RP.A.1

CCSS.6.RP.A.2

What is the rate of change (unit rate) for the following graph?

• 80

• 20

• 40

• 160

Tags

CCSS.8.F.B.4

CCSS.HSF.IF.B.6