Proportional vs Non-Proportional Linear Relationships

What makes a graph proportional?

• straight line

• A straight line that goes through the origin (0,0)

• Curvy line

• curvy line that goes through the origin (0,0)

Tags

CCSS.8.EE.B.5

Is the graph proportional or non proportional?

• proportional
• non proportional

Tags

CCSS.8.EE.B.5

Which graph is non-proportional?

• A
• B
• C
• D

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CCSS.8.EE.B.5

CCSS.8.F.A.3

Does this graph represent a proportional relationship?  

• No, because it doesn't pass through the origin.
• Yes, because it doesn't pass through the origin.
• Yes, because it intersects the y axis.
• No, because it intersects the x axis.

Tags

CCSS.8.EE.B.5

CCSS.8.EE.B.6

Which graph is proportional?

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

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CCSS.8.EE.B.5

CCSS.8.EE.B.6

Is this graph proportional?

• Yes
• No

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CCSS.7.RP.A.2D

Find the rate of change.

• 5/2

• 1/2

• 2

• 5

Tags

CCSS.8.EE.B.5

CCSS.8.EE.B.6

CCSS.8.F.A.3

CCSS.8.F.B.4

CCSS.8.SP.A.3

What is the rate of change for the following graph?

• 80 mi/hr

• 20 mi/hr

• 40 mi/hr

• 160 mi/hr

Tags

CCSS.8.EE.B.5

CCSS.8.EE.B.6

CCSS.8.F.B.4

CCSS.8.SP.A.3

The constant of proportionality of this graph is k = 45. What does it mean...a.k.a. - rate of change?

• The boat travels for 45 miles for every 45 hours

• The boat travels 1 mile for every 45 hours

• The boat travels 45 miles for every 1 hour

• The boat travels 1/45 mile for every 1 hour

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CCSS.HSF.IF.B.6

CCSS.HSS.ID.C.7

How do you calculate slope using a graph?

• rise over run
• run over rise
• look at the y intercept
• look at the x intercept

Tags

CCSS.8.EE.B.5