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: 6

Answer

There is an infinite number of solutions.

Work Step by Step

First graph x + y = -4, then graph -2x - 2y = 8. Because they are the same line, there are an infinite number of solutions. This can be seen if you multiply the first equation (or divide the second equation) by -2.
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