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 575: 73


y = -2x + 3

Work Step by Step

Looking at the graph, we can use the two marked points (0,3) and (1,1) to find the slope, which comes out to -2. We can then find the y-intercept just by looking at the graph, and seeing that it is at (0, 3) Then, we put it in to standard form using the y = mx + b formula, to get the answer: y = -2x + 3
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