Analyzing Proportional Graphs

A

B

C and D

All of the graphs are proportional

If the original price is $80, there is a $4 discount.

If the original price is $90, there is a $36 discount. 

There is a $12 discount on an item that has an original price of $20.

There is a $20 discount on an item that has an original price of $60.

F

G

H

J

1

2

3

4

A

B

C

D

It is proportional

The cleaner uses 1 cup of vinegar to every 2 cups of cleaner

The cleaner uses 4 cups of cleaner to 2 cups of vinegar

All of the above

yes

no

A

B

C and D

All of the graphs are proportional

The graph is proportional  because it is linear.

The graph is proportional because it is linear and passes through the origin.

The graph is not proportional because it does not pass through the origin.

The graph is not proportional because it is not linear and it does not pass through the origin.

proportional

not proportional

it is a straight line that goes through the origin

it is not a straight line

it does not pass through the origin