Graphing Proportional and Non-proportional Relationships

What makes a graph proportional?

• Linear
• The line is only in quadrant 1
• Curvy line
• Linear and the line goes through the origin

Is this graph proportional?

• Yes
• No

What is the unit rate in this proportional relationship?

• 60 miles/1 hour
• 120 miles/ 2 hours
• 1 mile/ 1 hour

Which graph is proportional?

• A
• B
• C and D
• All of the graphs are proportional

Which graph is non-proportional?

• A
• B
• C
• D

What makes a graph proportional?

• Straight Line
• The line goes through (0,0)
• Curvy line
• Straight line and passes through (0,0)

Which line shows a proportional relationship between x and y?

• Line L
• Line M

Is the graph proportional or non proportional?

• proportional
• non proportional

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

What is the unit rate in this proportional relationship?

• 60 miles/1 hour
• 120 miles/ 2 hours
• 1 mile/ 1 hour