Proportional and Nonproportional Graphs

Proportional or Nonproportional

• Proportional (straight line through origin)

• Non-Proportional

Proportional or NonProportional

• Proportional (straight line through the origin)

• NonProportional

When graphing a relationship on the coordinate grid ... The line is straight and it passes through the origin, therefore we have a ______________.

• Proportion

• Party

• Porcupine

• Positive number

How can you use the unit rate to create an equation for a relationship? (Remember the unit rate is the same as the constant of proportionality)

• y=abc+def+ghi

• y=5$3

• y=constant of proportionality(x)

• y=305x + 88 -4 abc

Is the graph proportional or non proportional?

• proportional

• non proportional

• both

• neither

What makes a graph proportional?

• Linear

• The line goes through the origin

• Curvy line

• Linear and the line goes through the origin

Which graph is proportional?

• A

• B

• C and D

• All of the graphs are proportional

Which of the following statements can be used to create the graph shown?

• For every 5 hours of work you get $6

• For every 24 hours of work you get $10

• For every 36 hours of work you get $50

• For every 6 hours of work you get $5

Proportional or Non-Proportional

a

b

Proportional

Non-Proportional

Does the line go through the origin?

• No

• Yes