Quiz # 2

Is this graph proportional?

• Yes
• No

What is the unit rate in this proportional relationship?

• 60 miles/hour

• 1 mile/hour

What is the equation in this proportional relationship?

• y = 60x

• y = 120x

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)

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

If Taylor can write 50 words in 2 minutes, which of the following best represents it equation?

• y = 50x

• y = 25x

• y = 2x

• y = 100x

Given the graph with proportional relationship, which of the following best represents it equation?

• y = 6x

• y = 2x

• y = 5x