Non-Proportional Relationships

These two lines are graphs of nonproportional relationships. What makes them nonproportional?

• They are not straight

• They are not linear

• They do not go through the origin

• They do not show a constant rate of change

Tags

CCSS.8.EE.B.5

Steve started with #250 and spent $25 per week. Chelsea started with $30 and saved $30 per week. Which equations represent these situations?

• y = 250 - $25x

• y = 30 + 30x

• y = 250x + 25

• y = 30x - 30

Tags

CCSS.6.EE.C.9

What type of slope?

• negative

• positive

• zero slope

• downward slope

Tags

CCSS.8.EE.B.5

What is the y-intercept of this graph?

• (0,1)

• (0,-2)

• (0,0)

• (0,3)

Determine if the ratios are proportional.
4/5 and 15/20

• Yes

• No

Tags

CCSS.7.RP.A.2A

Find the slope

• 5/2

• -5/2

• 2/5

• -2/5

Tags

CCSS.8.EE.B.5

What is the y-intercept?

• 1/2

• 2

• 7

• 3

Does the equation show a proportional relationship?

• Yes

• No

Tags

CCSS.7.RP.A.2C

What type of slope?

• negative

• positive

• zero slope

• downward slope

Tags

CCSS.8.EE.B.5

A repairman charges $75 to come out to a house plus $40 per hour to repair the damage. Which equation shows his rate of pay?

• y = 40x +75

• y = 75x + 40

• y = 45x + 70

• y = x

Tags

CCSS.8.F.B.4

CCSS.HSF.LE.A.2