Intermediate Algebra for College Students (7th Edition)

Published by Pearson
ISBN 10: 0-13417-894-7
ISBN 13: 978-0-13417-894-3

Chapter 1 - Section 1.5 - Problem Solving and Using Formulas - Exercise Set - Page 68: 61



Work Step by Step

Divide both sides by $x-x_1$ to find: $\dfrac{y-y_1}{x-x_1}=\dfrac{m(x-x_1)}{x-x_1} \\\dfrac{y-y_1}{x-x_1}=m \\m=\dfrac{y-y_1}{x-x_1}$
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