Elementary Algebra

Published by Cengage Learning
ISBN 10: 1285194055
ISBN 13: 978-1-28519-405-9

Chapter 2 - Real Numbers - 2.2 - Addition and Subtraction of Rational Numbers - Concept Quiz 2.2 - Page 56: 2



Work Step by Step

Whenever we have $0$ in the denominator of a fraction, the answer is undefined. Therefore, it is impossible for $c$ to be $0$ in this case because that would put a $0$ in the denominator, making the expression undefined.
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