Lesson 11 Review

Write an equation for this relationship.

• y=1/5x
• y=1/2x
• y=2x
• y=5x

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

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.

Does the table represent a proportional relationship?

• Yes.
• No.

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

• 15 miles
• 30 miles
• 3 miles
• 25 miles

Determine which equation does NOT represent a proportional relationship.

• y = -2x
• y = 1/2 x
• y = 3x
• y = 5x - 7

A proportional graph is a straight line through the...

• oreo

• oregon

• origin.

• potato

Is this equation y = 14x showing proportionality?

• yes

• no