Proportional or Not Tables and Equations

Is the graph proportional or non proportional?

• proportional

• non proportional

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

In the equation y=mx+b, what does the m represent?

• slope

• y-intercept

• linear

• point-slope

Find the constant of proportionality on this table of values.

• k=3

• k=1

• k=0

• k=4

Does the table show a proportional relationship? If so, what is the constant rate of change?

• Yes; 1/3

• Yes; 3

• Yes; 5

• No

Write an equation for this relationship.

• y=1/5x

• y=1/2x

• y=2x

• y=5x

Determine the missing value in the table.

• 15

• 3

• 1/3

• 9