Proportional Relationships

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

• y
• x
• 14

Tags

CCSS.7.RP.A.2

CCSS.7.RP.A.3

If the constant of proportionality is 10, which of the following is the correct proportional equation?

• 10=kx
• 10=k
• y=10k
• y=10x

Tags

CCSS.7.RP.A.2C

Write an equation for this relationship.

• y=1/5x
• y=1/2x
• y=2x
• y=5x

Tags

CCSS.6.EE.C.9

Does the table show a proportional relationship? 

• Yes, the COP = 0.325
• No, the COP is different for each row.

Tags

CCSS.8.EE.B.5

Is this graph proportional?

• Yes
• No

Tags

CCSS.7.RP.A.2D

What makes a graph proportional?

• Linear
• The line goes through the origin
• Curvy line
• Linear and the line goes through the origin

Tags

CCSS.7.RP.A.2D

What is the unit rate?

• 80 miles in 1 hours

• 20 miles in 1 hours

• 40 miles in 1 hours

• 160 miles in 1 hours

Tags

CCSS.8.EE.B.5

Solve the proportion below (show your work on paper):

• 42

• 6

• 2

• 28

Tags

CCSS.7.RP.A.2B

Josh bought a pizza with eight slices of pizza for $12. What is the cost of a slice of pizza?

• $12
• $1.50
• $3
• $1

Tags

CCSS.6.RP.A.1

CCSS.6.RP.A.2

Why does this graph show a non-proportional relationship?

• Because it is proportional
• It goes through the origin
• It does not go through the origin
• It is a straight line

Tags

CCSS.7.RP.A.2D