PROPORTIONAL RELATIONSHIPS

Write an equation for this relationship.

• y=1/5x
• y=1/2x
• y=2x
• y=5x

Which line shows a proportional relationship between x and y?

• Line L
• Line M

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.

1/3 ÷ 4 ¾ =

• 4/9
• 57/4
• 4/57
• 4/59

2 ³/₄ × 12 =

• 33
• 24 ³/₄
• 24 ¹/₃
• 120

Simplify  14/35

• 3
• 2/5
• 5/2
• 7/17.5