Precalculus (6th Edition) Blitzer

Published by Pearson
ISBN 10: 0-13446-914-3
ISBN 13: 978-0-13446-914-0

Chapter 7 - Section 7.1 - Systems of Linear Equations in Two Variables - Exercise Set - Page 823: 99

Answer

See explanations.

Work Step by Step

When using the addition or substitution method, if a system of linear equations has no solution, you will get an impossible relation such as $c=0$, where $c\ne0$. The graphs of the two equations will be non-identical parallel lines.
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