Proportional Relationships McDaniel

Which equation represents a proportional relationship?

• y = x/2

• y = 10 + x

• y = 14 - x

• y = 5x + 8

Tags

CCSS.7.RP.A.2C

Are the following ratios proportional?
3/4, 36/40

• yes

• no

Tags

CCSS.7.RP.A.2A

Are the following ratios proportional?
8/10, 28/35

• yes

• no

Tags

CCSS.7.RP.A.2A

Are the following ratios proportional?
21/30, 56/80

• yes

• no

Tags

CCSS.7.RP.A.2A

What is the constant of proportionality?

• $3

• $4

• $2

• $9

Tags

CCSS.7.RP.A.2B

Is this table proportional or non-proportional?

• Proportional

• Non-Proportional

Tags

CCSS.7.RP.A.2B

What is the unit rate/constant of proportionality?

• 80 miles in 1 hours

• 20 miles in 1 hours

• 40 miles in 1 hours

• 160 miles in 1 hours

Tags

CCSS.7.RP.A.2D

Find the constant of proportionality on this table of values.

• k=3

• k=1

• k=0

• k=4

Tags

CCSS.7.RP.A.2B

What makes a graph proportional?

• Straight Line

• The line goes through (0,0)

• Curvy line

• Straight line and passes through (0,0)

Tags

CCSS.7.RP.A.2D

The constant of proportionality is 9/1. Interpret what that means in the context of this story.

• $9 per hour

• $9 for 3 hours

• 9 hours per $1

Tags

CCSS.7.RP.A.2B