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Back to 12.1 Linear Equations

12.1 Exercise 13

Avg difficulty 2.5


Use the following information to answer the next two exercises. A credit card company charges $10 when a payment is late and $5 a day each day the payment remains unpaid.

Which of the following equations are linear?

a. y = 6x + 8

b. y + 7 = 3x

c. y – x = 8x2

d. 4y = 8

OpenStax Statistics, 12.1 Linear Equations, exercise 13

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