Algebra: A Combined Approach (4th Edition)

Published by Pearson
ISBN 10: 0321726391
ISBN 13: 978-0-32172-639-1

Chapter 8 - Section 8.1 - Review of Equations of Lines and Writing Parallel and Perpendicular Lines - Exercise Set - Page 573: 50


y + 3 = -3(x-8) y=-3x+21

Work Step by Step

The equation can be rewritten as: y = -3x + $\frac{9}{4}$ Since the line must be parallel to this one, the slope (-3) must also be the same. Since we now have a point (8, -3), and the slope, we can use point-slope form to get: y+3=-3(x-8) or y=-3x +21
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