Solving and Graphing Proportional Relationships

Write an equation for this relationship.

What is the unit rate in this proportional relationship?

• 60 miles/1 hour
• 120 miles/ 2 hours
• 1 mile/ 1 hour

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

• Proportional
• Not Proportional

Which graph is non-proportional?

• A
• B
• C
• D

The cost of 4 pounds of grapes is $24.36. What is the constant of proportionality the relates cost in dollars, y, to the number of pounds of grapes, x?

• 6.09
• 20.36
• 8.12
• 28.36

Does this graph represent a proportional relationship?  

• No, because it doesn't pass through the origin.
• Yes, because it doesn't pass through the origin.
• Yes, because it intersects the y axis.
• No, because it intersects the x axis.

Which one is correctly written ratio sentence for the constant in the equation: W = 2c. 

• For every 2 watermelons, there is 1 child.
• W = watermelon and c=children
• For every 2 children, there is 1 watermelon. 
• Every child gets a watermelon.

Which option should you choose if you wanted the most candy for $4?

• Option A

• Option B

• Option C

There is a proportional relationship between the number of months a person has had a streaming movie subscription and the total amount of money they have paid for the subscription. The cost for 6 months is $47.94. The point (6, 47.94) is shown on the graph below. Which equations represent the situation? Select all that apply. 

There is a proportional relationship between the number of months a person has had a streaming movie subscription and the total amount of money they have paid for the subscription. The cost for 6 months is $47.94. The point (6, 47.94) is shown on the graph below.

What is the constant of proportionality?

• 47.94

• 6

• 7.99

• .13