Proportional Relationship: Tables and Graphs

The constant of proportionality is also the unit rate.

• True

• False

Does the table show a proportional relationship?

• Yes

• No

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

• Proportional

• Not Proportional

Which graph is proportional?

• A

• B

• C and D

• All of the graphs are proportional

What is the unit rate for the rain fall?

• 2 cm per hour

• 1 cm per hour

• ¹/₂ cm per hour

• 4 cm per hour

Is the graph proportional or non proportional?

• proportional

• non proportional

Which graph is non-proportional?

• A

• B

• C

• D

What is the unit rate for the table?

• $1 / 3 watermelon

• $3 / 1 watermelon

• 1/3 watermelon / pound

• $0.33 / 1 watermelon

Does the following table represent a proportional relationship? If so identify the constant of proportional and create an equation to represent it.

• Proportional; k = 1/40 pages per day; y=1/40x

• Proportional; k = 40 pages per day; y=40x

• Not Proportional

• Proportional; k = 40 days per pages; y=40x

Does the following table represent a proportional relationship? If so, identify the constant of proportionality and create an equation to represent it.

• Proportional; k=8; y=8x

• Not Proportional

• Proportional; k = -8; y=-8x

• Proportional; k=1/8; y=1/8x