Solving and Graphing Proportional Relationships

Find the Unit Rate.
72 ounces for 12 servings    

• 7 ounces per serving

• 144 ounces for 24 servings

• 6 ounces per serving

• 36 ounces for 6 servings

You travel 150 miles on 5 gallons. How far did you travel per gallon?

• 15 miles

• 30 miles

• 3 miles

• 25 miles

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

• Proportional

• Not Proportional

Which line shows a proportional relationship between x and y?

• Line L

• Line M

Does the table represent a proportional relationship?

• Yes.

• No.

Which graphs are proportional?

• A

• B

• C and D

• All of the graphs are proportional

Which equation matches the graph?

• y = 60x

• y = 40x

• y = 80x

• y = 20x

Which statements are true for this graph?

• It is a proportional relationship

• 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

• The equation for the line is y = 2x

Using the graph above, determine the constant of proportionality.

• 0

• 1

• 3

• 6

The graph above shows the price of games in dollars.  Is the graph proportional and how do you know?

• 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.