Proportional and Non Proportional Relationships in Tables, Graphs, and Equations

Does the table above represent a proportional or non-proportional relationship?

• Proportional

• Non-Proportional

At what rate did the rain fall?

• 2 cm per hour

• ¹/₄ cm per hour

• ¹/₂ cm per hour

• 4 cm per hour

Looking at the graph, is it proportional or non-proportional?

• Proportional

• Non-Proportional

Does this graph show a proportional relationship?

• Yes, because it is linear

• Yes, because it is linear and goes through the origin.

• No, because it is not linear

• No, because it does not go through the origin.

Sally will earn $30 for every 5 hours that she babysits. Which of the following equations can be used to represent the proportional relationship?

• y = 1/6x +30

• y = 6x

• y = 5x + 6

• y = 6x +5

Which of these terms is NOT used to describe the "m" in the equation y=mx+b.

• Constant rate of change

• starting point

• unit rate

• Constant of proportionality

What can you use to represent linear relationships?

• verbal descriptions

• equations

• graphs

• tables

• all of the above

What does 'b" represent in y=mx+b

• y-intercept

• macaroni

• nothing

• slope

At what point is the line crossing the Y-axis?

• 1.5

• -2

• 3

• -3

Find the slope.

• 3/2

• -3/2

• (-0,-3)

• none of the above