Identifying Proportional and Nonproportional Relationships

Does the table represent a proportional relationship?

• Yes.

• No.

Does the table represent a proportional relationship?

• Yes.

• No.

Find the unit rate:  $3.60 for 3 pounds of apples. How much does it cost for 1 pound of apples?

• $1.00 per pound

• $3.60 per pound

• $1.20 per pound

• $1.10 per pound

Which color car represents a proportional relationship?

• Red car

• White car

• Both cars

• None of the cars

Is the graph proportional or non proportional?

• Proportional

• Non-Proportional

Which graph is non-proportional?

• A

• B

• C

• D

Which statement best describes the relationship of x and y in the table?

• Proportional

• Not Proportional

What are the main characteristics of a proportional relationship between two variables?

• They pass through the origin.

• They are linear (straight line) and also pass through the origin.

• They are curved

• The x to y ratio is a constant of proportionality.

Does the graph show a proportional relationship?

• Yes

• No

Write the equation for the table given

• y = 1/3x

• y = 3x

• y = 1/2x

• x = 3y