Graphing Proportional Relationships

A store sells 6 ears of corn for $12.00. Create a graph that represents the slope of dollar per corn.

Kelly reads 130 pages in 2 hours. If you calculate her rate for each hour, which unit represents the y-variable?

• pages

• hours

Two football games were played this past Sunday and took 7 hours to finish. Create a graph with a slope that represents the rate of games each hour.

10 students ask to use the restroom in 2 periods. This means that ​ (a)   students would ask to use the restroom in 8 periods.

• 40
• 20
• 12
• 4

A local coffee shop assisted 60 customers in 10 minutes. Create a graph with a slope that represents the amount of customers used each minute.

Match the following proportional situations to their slope.

• m=120

• There are 6 fights in 3 days. What slope could represent the amount of fights each day.

• m=4

• 20 pieces of velcro are needed to hang up 5 posters. What slope could represent the unit rate for pieces of velcro per poster?

• m=26

• A swimmer swims 26 lapes each minute. What slope could represent this situation?

• m=2

• 240 bricks, y, are needed to build 2 walls, x. Which slope best represents this relationship?

A submarine descended 30 feet in 2 minutes. The submarine descended the same depth each minute. Create a graph that represents this slope.

6 pencils cost $1.20. If each pencil costs the same, which unit is the x variable, and which unit is the y variable? (match each unit the correct variable)

• 1.2 ÷ 6

• pencils

• y

• y ÷ x

• x

• dollars

A sloth travels 7 feet each minute. Create a graph that represents this slope.

The cost of 12 schools lunches is $27.00. If each lunch costs the same, what is the slope represented by this relationship?

• 2.25

• 3.00

• 4.50

• 0.44