Exploring Graphs of Proportional Relationships

Does the table represent a proportional relationship?

• Yes.

• No.

Does this graph represent a proportional relationship?

• Yes

• No

Does this graph represent a proportional relationship?

• Yes

• No

Using the table above, determine which statement is correct.

• The table is proportional and the unit rate is 100.

• The table is not proportional because the unit rate is not constant.

• The table is not proportional because it doesn't pass through the origin.

• The table is proportional and the unit rate is 0.01.

Determine if the table above is proportional and how do you know?

• The table is proportional because the unit rate is a constant 0.33.

• The table is proportional because it passes through the origin.

• The table is proportional because the unit rate is a constant 0.28

• The table is not proportional because the unit rate is not constant.

How many tbsp of honey is needed for 20 cups of flour?

• 2

• 18

• 25

• 16

Which graph is non-proportional?

• A

• B

• C

• D

What is the formula for a proportional relationship?

• y=kx

• y=k/x

• z=ykx

• y=ky

Which graph matches the table?

• A

• B

• C

• D

The number of trees and the number of apples are given in the table above.  Determine which statement below is correct.

• The table is not proportional because the unit rate is not constant.

• The table is proportional and the unit rate is 1/13

• The table is proportional and the unit rate is 13.

• The table is not proportional because it doesn't pass through the origin.