Proportional Relationship

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

• Proportional

• Not Proportional

Write an equation for this relationship.

• y=18x

• y=18.50x

• y=22.50x

• y=22x

Is this graph proportional?

• Yes

• No

What makes a graph proportional?

• Linear

• The line goes through the origin

• Curvy line

• Linear and the line goes through the origin

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 non-proportional?

• A

• B

• C

• D

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

• y

• x

• 14

Which equation matches the graph? (Click me to see the image)

• y = 2x

• y = 1/4 x + 2

• y = 1x + 4

• y = -2x

Calculate the slope.

• 6

• 1/6

• -6

• -1/6