11/7 review

Proportional or Non-Proportional?

• Proportional

• Non-Proportional

Does this graph represent a proportional relationship?  

• No, because it doesn't pass through the origin.
• Yes, because it doesn't pass through the origin.
• Yes, because it intersects the y axis.
• No, because it intersects the x axis.

Proportional or Non-Proportional?

• Proportional

• Non-Proportional

Is the graph proportional or not?

• proportional

• NOT proportional

• proportional

• NOT proportional

y = kx + 5

• Proportional

• Non Proportional

Solve for x 

• x = 16
• x = 28
• x = 1/26
• x = 26

Solve the proportion:

• 4
• 8
• 14
• 10

You spend $40 on 5 pounds of concrete. What is the unit rate in dollars per pound?

• $8 per pound
• $5 per pound
• $35 per pound
• 0.125 pounds per dollar