Unit 5 Review: Proportional Relationships

What is the constant of proportionality?

• 45

• 50

• 27

• 1

Tags

CCSS.7.RP.A.2B

Concrete building blocks weigh 28 pounds each. If b represents the number of concrete blocks and w represents the weight, what equation relates the two variables?

• 28/w=b

• 28w=b

• 28b=w

• 28bw

Tags

CCSS.6.EE.C.9

A store sells rope by the meter. The equation p=0.8L represents the price p (in dollars) of a piece of nylon rope that is L meters long. How much does the nylon rope cost?

• $8

• $80

• $0.80

• $0.08

Tags

CCSS.7.EE.B.3

How many tbsp of honey is needed for 20 cups of flour?

• 2

• 18

• 25

• 16

Tags

CCSS.6.RP.A.3B

Determine which equation does NOT represent a proportional relationship.

• y = -2x

• y = 1/2 x

• y = 3x

• y = 5x - 7

Tags

CCSS.7.RP.A.2C

Using the table above, determine which statement is correct.

• The table is proportional and the unit rate is 100.

• The table is not proportional because the unit rate is not constant.

• The table is not proportional because it doesn't pass through the origin.

• The table is proportional and the unit rate is 0.01.

Tags

CCSS.7.RP.A.2B

Betty and Julie each have a savings account. The graph and equation represent how much each girl adds to her account

Part A: Who is saving more money each month? ______________________

Part B: How much more money is she saving each month? ______________

• Betty $5 more

• Betty $2 more

• Julie $2 more

• Julie $5 more

Tags

CCSS.8.F.A.2

CCSS.HSF.IF.C.9

Does this equation represent a proportional relationship?

• Yes

• No

Tags

CCSS.7.RP.A.2C

Select all the proportional equations.

• y = 3x

• j = ^-1/₂ h

• d = 19 - 0.25c

• a = x - 2

• 2.5f = g

Tags

CCSS.7.RP.A.2D

complete the ratio table.