Precalculus (6th Edition) Blitzer

Published by Pearson
ISBN 10: 0-13446-914-3
ISBN 13: 978-0-13446-914-0

Chapter 3 - Cumulative Review Exercises - Page 516: 15



Work Step by Step

The point-slope form between two points is given by $ m= \dfrac{y_2-y_1}{x_2-x_1}$ Plug in the given data. $ m= \dfrac{-3-3}{3-1}=-3$ Now, the point-slope equation is: $ y-y_1= m (x-x_1)$ becomes: $ y-3=-3(x-1)$ Which simplifies to: $y=-3x+6$
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