Algebra: A Combined Approach (4th Edition)

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

Chapter 4 - Section 4.1 - Solving Systems of Linear Equations by Graphing - Practice: 2

Answer

The point 1 (3, -2) is not a solution because the second equation is false.

Work Step by Step

2x - y = 8 2(3) - (-2) = 8 6 + 2 = 8 8 = 8 x + 3y = 4 3 + 3(-2) = 4 3 + (-6) = 4 3 - 6 = 4 -3 $\ne$ 4
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