Determining Proportionality

A graph is proportional if...

• It is a straight line.

• It passes through the origin.

• It is a straight line AND it passes through the origin.

Tags

CCSS.7.RP.A.2D

Does this graph represent a proportional relationship?

• Yes, because it is straight line

• Yes, because it passes through the origin

• Yes, because it is a straight line and passes through the origin

• No, because it doesn't pass through the origin

Tags

CCSS.7.RP.A.2D

Does this graph represent a proportional relationship?

• Yes, because it is a straight line

• Yes, because it goes through the origin

• Yes, because it is a straight line and goes through the origin

• No, because it does not pass through the origin

Tags

CCSS.7.RP.A.2D

Is this table proportional? If so, what is the constant of proportionality?

• Not proportional

Tags

CCSS.7.RP.A.2B

Is this table proportional? If so, what is the constant of proportionality?

• Not proportional

Tags

CCSS.7.RP.A.2B

What is the constant of proportionality for the following graph?

• 80
• 20
• 40
• 160

Tags

CCSS.7.RP.A.2B

Is this graph proportional? If so, what is the constant of proportionality?

• Not proportional

Tags

CCSS.7.RP.A.2D

Is this graph proportional? If so, what is the constant of proportionality?

• Not proportional

Tags

CCSS.7.RP.A.2D

Is this table proportional? If so, what is the constant of proportionality?

• Not proportional; no k value

Tags

CCSS.7.RP.A.2B

What is the constant of proportionality?

k= (a)  

Tags

CCSS.7.RP.A.2B