Intermediate Algebra (6th Edition)

Published by Pearson
ISBN 10: 0321785045
ISBN 13: 978-0-32178-504-6

Chapter 3 - Section 3.1 - Graphing Equations - Exercise Set - Page 126: 18


(1,5) is a solution.

Work Step by Step

We are given that $y=-2x+7$. In order to see whether each ordered pair is a solution of the given equation, we can plug in the ordered pair to the equation. For (1,5): $-2\times1+7=5$ So, (1,5) is a solution. For (-2,3): $-2\times-2+7=11\ne3$ So, (-1,-8) is not a solution.
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