Graphing Relationships

Which line represents a proportional relationship? (Select ALL that apply)

• Blue Line A

• Red Line B

• Green Line C

Which of the following data matches the graph:

• 30 mass (m/kg) for every 2 extension (e/mm)

• 8 mass (m/kg) for every 120 mass (m/kg)

• 2 mass (m/kg) for every 30 extension (e/mm)

• 120 mass (m/kg) for every 8 extension (e/mm)

Which of the following graphs demonstrates a non-proportional relationship? (Select ALL that apply)

• 
• 
• 
• 

Which graph is proportional?

• A

• B

• C and D

• All of the graphs are proportional

Find the constant rate of change for this graph.

• 2 lb per person

• 1 lb per person

• 3 lb per person

• 4 lb per person

What is the unit rate in this proportional relationship?

• 60 miles/1 hour

• 120 miles/ 2 hours

• 1 mile/ 1 hour

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)

The table shows the cost of long distance calls based on the number of minutes used. Is there a constant rate of change, and if so what is it?

• Yes, 10 calls per minute

• Yes, $.10 per minute

• Yes, $.40 per minute

• Not a constant rate

Which company shows a greater rate of change?

• Water's Edge Rafts

• Ryan's Rafts