Cell Phone Problem Worksheets Page 3

6. On graph paper, graph the Economy Plan.

7. Find the slope of the line graph representing the Economy Plan by using

a right triangle. Then find the slope by using the slope formula.

8. On the same graph paper, graph the Talker Plan. Make sure to use a

different color for the line graph.

9. Find the slope of the line graph representing the Talker Plan by using a

right triangle. Then find the slope by using the slope formula

10. On the same graph paper, graph the Chatter Box Plan. Make sure to

use a different color for the line graph.

11. Find the slope of the line graph representing the Chatter Box Plan by

using a right triangle. Then find the slope by using the slope formula

12. Compare the slopes of three lines on your graph. Interpret your

results in context of the problem.

Nicole Kim - 2014

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