Identify Proportional Graphs

Identify the constant of proportionality.

• k = 25

• k = 50

• k = 100

• k = 1/50

• none (not proportional)

Tags

CCSS.7.RP.A.2B

What makes a graph proportional?

• A straight line (linear) that goes through the origin

• Linear (straight line), that does NOT go through the origin.

Tags

CCSS.7.RP.A.2D

Is this graph proportional?

• Yes

• No

• Sometimes

• Both

Tags

CCSS.7.RP.A.2D

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

• x

• 14

• y

Tags

CCSS.7.RP.A.2B

 

Which graph shows a proportional relationship?

• 
• 
• 
• 

Tags

CCSS.7.RP.A.2D

Describe the two key features of the graph of a proportional relationship.

• Straight line

• Curved line

• Through the origin

• Not through the origin

Tags

CCSS.7.RP.A.2D

Which statement below accurately represents the graph?

• $100 is earned for each hour worked

• $200 earned for every 2 hours worked

  is the unit rate

• $500 is earned for every 8 hours worked

• $300 is earned after working 4 hours

Tags

CCSS.7.RP.A.2D

What is the constant of proportionality for this table?

• 8

• 3

• 1/9

• 9

Tags

CCSS.7.RP.A.2B

What is the constant of proportionality? 

• 2

• 10

• 5

• 1/5

Tags

CCSS.7.RP.A.2B

Write the equation for the table given.

• y = 16x

• y=8x

• y=12x

Tags

CCSS.8.F.B.4

CCSS.HSF.LE.A.2