Cell Phone Problem Worksheets Page 2

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Slope
1. What is the definition of rate of change?
2. What is the definition of slope?
3. Fill out the T-Chart for each cell phone plan from the Cell Phone
Problem.
Economy
Talker
Chatterbox
X(min)
Y ($)
X (min)
Y($)
X (min)
Y ($)
0
0
0
1
1
1
2
2
2
3
3
3
4
4
4
4. What is the increase of the bill amount in $ per min of each plan?
Economy __________
Talker _________
Chatterbox Plan ______
5. What is the formula to find the slope of two given points on a line
graph?
Nicole Kim - 2014

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