Proportional Graph Equations

Does the equation show a proportional relationship?

• Yes

• No

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

Does the table represent a proportional relationship?

• Yes.

• No.

Does this graph represent a proportional relationship?

• Yes

• No

Using the graph above, determine the constant of proportionality.

• k = 0

• k = 1

• k = 3

• k = 6

Using the table above, determine which statement is correct.

• The table is proportional and the unit rate is 100.

• The table is not proportional because the unit rate is not constant.

• The table is not proportional because it doesn't pass through the origin.

• The table is proportional and the unit rate is 0.01.

The graph above shows the price of games in dollars.  Is the graph proportional and how do you know?

• The graph is proportional  because it is linear.

• The graph is proportional because it is linear and passes through the origin.

• The graph is not proportional because it does not pass through the origin.

• The graph is not proportional because it is not linear and it does not pass through the origin.

What does the point (2, 94) represent in this situation?

• Every week, they earn $94.

• After 94 weeks, they save $2.

• After 1 week, they save $47.

• After 2 weeks, they save $94.

Which graph is non-proportional?

• A

• B

• C

• D

Which of the following rates of change represents the graph shown?

• 2 boys for every 1 girl

• 0.5 boys for every 1 girl

• 6 boys for every 1 girl

• 3 boys for every 1 girl