Proportional Nonproportional Functions Graphs

Is the graph proportional or non proportional?

• proportional

• non proportional

Which of these could be a constant of proportionality.

• 20

• 40

• 2

• 80

Write an equation for this relationship.
y = total cost
x = days

• x=18.50y

• y=18.50x

• y=22.50x

• y=22x

Write the equation for the table given

• y = 1/3x

• y = 3x

• y = 1/2x

• x = 3y

How much money would you make in 6 hours?

• $44

• $9

• $54

• $45

In the equation y = 14x, what is the constant of proportionality?

• y

• x

• 14

• =

Is this table proportional or non-proportional?

• Proportional

• Non-Proportional

Which best describes the graph represented in this table?

•  proportional

• non-proportional

Does this graph represent a proportional relationship?

• Yes, because the line is pretty.

• No, because the line goes through the origin.

• Yes because the line goes through the origin.

• No, because the graph is non-proportional.

The graph shows the water level as a bathtub fills.  Select the correct choice that describes this graph.

• The graph is linear and proportional.

• The graph is linear and non-proportional.