Proportional Relationships from Tables, Equations, and Graphs

Does this graph show a proportional relationship?

• Yes, because it is linear

• Yes, because it is linear and goes through the origin.

• No, because it is not linear

• No, because it does not go through the origin.

Sally will earn $30 for every 5 hours that she babysits. Which of the following equations can be used to represent the proportional relationship?

• y = 1/6x +30

• y = 6x

• y = 5x + 6

• y = 6x +5

Proportional relationships must go through the origin. (0,0)

• True

• False

What is the rate of change for the following graph?

• 80

• 20

• 40

• 160

Which graph shows a proportional relationship between x and y?

• F

• G

• H

• J

Which line shows a proportional relationship between x and y?

• Line L

• Line M

What is the unit price for a piece of cheese if 1.24 pounds costs $11.25?

• $0.11 per lb

• $9.07 per lb

• $12.49 lb

• $13.95 per lb

What can you use to represent linear relationships?

• verbal descriptions

• equations

• graphs

• tables

• all of the above

What is the unit rate for the table?

• $1 / 3 watermelon

• $3 / 1 watermelon

• 1/3 watermelon / pound

• $0.33 / 1 watermelon

Which equation would math this proportional relationship?

• y = 45x

• y = 15x

• y = 30x

• y = 20x