Precalculus (6th Edition) Blitzer

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

Chapter P - Section P.7 - Equations - Exercise Set - Page 108: 163

Answer

The statement is false. To make it true, replace "is equivalent to" with "is not equivalent to".

Work Step by Step

Equations are equivalent if they have equal solution sets. The equation $(2x-3)^{2}=25$ has two solutions $\begin{array}{l} 2x-3=\pm 5\\ 2x=3\pm 5\\ x=\dfrac{3\pm 5}{2} \end{array}$, (solution set: $\{ -1, 4\}$ ) While the other equation has only one, $2x-3=5$ $2x=8$ $ x=4$ (solution set: $\{ 4\}$ ) The statement is false. To make it true, replace "is equivalent to" with "is not equivalent to".
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