Variable Relationships Tables and Graphs

What is the constant of proportionality?

• k = 15 gallons of water per minute

• k = 1/15 gallons of water per minute

• k = 15 minutes per gallon of water

• k = 1/15 minute per gallons of water

Is this graph proportional?

• Yes

• No

Which graph is proportional?

• A

• B

• C and D

• All of the graphs are proportional

Is this table proportional or non-proportional?

• Proportional

• Non-Proportional

• both

• neither

Is the graph proportional or non proportional?

• proportional

• non proportional

Is the graph proportional or non proportional?

• proportional

• non proportional

Why does this graph show a non-proportional relationship?

• Because it is proportional

• It goes through the origin

• It does not go through the origin

• It is a straight line

What is the constant of proportionality?

• $3

• $4

• $2

• $9

Does the table show a proportional relationship?

• Yes

• No

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

• Proportional

• Not Proportional