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: 98


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Work Step by Step

When using the addition or substitution method, if a system of linear equations has infinitely many solutions, you will get an identify $c=c$ where $c$ is a constant such as $0$. The graphs of the two equations will coincide or be identical in this case.
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