Precalculus: Concepts Through Functions, A Unit Circle Approach to Trigonometry (3rd Edition)

Published by Pearson
ISBN 10: 0-32193-104-1
ISBN 13: 978-0-32193-104-7

Chapter 5 - Trigonometric Functions - Cumulative Review - Page 460: 2

Answer

$y=-3x-1$

Work Step by Step

Let $m$ be the slope of the line. The point-slope form of the line with point $P(x_1, y_1)$ can be written as: $y-y_1=m(x-x_1)$ $y−5=−3 [x−(−2)] \\ y−5=(−3) \ (x+2) \\ y−5=−3x−6$ We will write the above expression in the slope-intercept form $y=mx+b$ as: $y=-3x-1$
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