Precalculus (6th Edition) Blitzer

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

Chapter 8 - Section 8.2 - Inconsistent and Dependent Systems and Their Applications - Exercise Set - Page 904: 43


The statement “I solved a non-square system in which the number of equations was the same as the number of variables” does not make sense.

Work Step by Step

The given statement makes sense because a non-square system is such a system in which the number of variables differ from the total number of equations which can be solved. According to the given statement, the number of equation and variables are the same which can be solved. For example: $\begin{align} & 3x+7y+6z=26 \\ & 2y+z=8 \\ & z=2 \end{align}$ It is a non-square system with an equal number of variables and equations which can be solved. Hence, the given statement does not make sense.
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