8.6.C.10 - Linear Models – Exit Ticket

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3 questions

Use the following information to answer the questions below.

Suppose that a cell-phone monthly rate plan costs the user 5 cents per minute beyond a fixed monthly fee of $20. This implies that the relationship between monthly cost and monthly number of minutes is linear.

Write an equation in words that relates total monthly cost to monthly minutes used. Explain how you found your answer.

Write an equation in symbols that relates the total monthly cost (y) to monthly minutes used (x).

What is the cost for a month in which 182 minutes are used? Express your answer in words in the context of this problem.

From EngageNY.org of the New York State Education Department. Grade 8 Mathematics Module 6, Topic C, Lesson 10. Internet. Available from https://www.engageny.org/resource/grade-8-mathemat...; accessed 14/Apr/2016.