13.3 Graphing Proportional Relationships

What makes a graph proportional?

• Linear
• The line is only in quadrant 1
• Curvy line
• Linear and the line goes through the origin

Tags

CCSS.8.EE.B.5

Is this table proportional?

• Yes
• No

Is this graph proportional?

• Yes
• No

What is the unit rate in this proportional relationship?

• 60 miles/1 hour
• 120 miles/ 2 hours
• 1 mile/ 1 hour

Which graph is proportional?

• A
• B
• C and D
• All of the graphs are proportional

Find the Unit Rate.
72 ounces for 12 servings    

• 7 ounces per serving
• 144 ounces for 24 servings
• 6 ounces per serving
• 36 ounces for 6 servings

Tags

CCSS.HSF-LE.A.1B

Which equation shows a NON-proportional relationship of x and y?

• y = 5x
• y = -5.6x
• y = x + 3
• y = 1/2x

Tags

CCSS.8.F.A.3

What qualities must a graph have in order for it to be proportional? (Select ALL that apply)

• Must cross through the Origin, point (0,0)

• Must always be positive

• Must be a line

• Must be a straight line; has to be linear

Tags

CCSS.8.EE.B.5

What is the equation y=mx for the table?

• y=1/3x

• y=3x

• y=5x

• y=1/5x

Tags

CCSS.8.EE.B.6

CCSS.8.F.A.3

The constant of proportionality in the equation y = ½x is _______. 

• x
• y
• 1/2
• 2

Tags

CCSS.HSF-LE.A.1B