Proportional Relationships & Graphs

Write the equation for the table given

• y = 1/3x

• y = 3x

• y = 1/2x

Which graph is non-proportional?

• A

• B

• C

• D

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.

Find the slope

• 5/2

• -5/2

• 2/5

• -2/5

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

What is the unit rate of the equation below?
y=2x

• 2

• 1/2

• 4

• x

Write an equation for this relationship.

• y = 18x

• y = 18.50x

• y = 22.50x

• y = 22x

Write an equation for this situation.

• y = 9.75x

• y = 19x

• y = 19.25x

• y = 9.5x

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

Which graph is proportional?

• A

• B

• C and D

• All of the graphs are proportional