## Intermediate Algebra: Connecting Concepts through Application

Published by Brooks Cole

# Chapter 1 - Linear Functions - Chapter Review Exercises: 34

#### Answer

a.) -0.45 b.) 3 c.) y=-0.45x+3

#### Work Step by Step

a.) m=$\frac{y_2-y_1}{x_2-x_1}$ m=$\frac{3-3.9}{0-(-2)}$ m=$\frac{-0.9}{2}$ m=-0.45 b.) Any line crosses the y-axis when its x-value is equal to zero. According to the table when x equals 0, y equals 3. Therefore the y-intercept is b=3. c.) y=mx+b y=-0.45x+3

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