Elementary Linear Algebra 7th Edition

Published by Cengage Learning
ISBN 10: 1-13311-087-8
ISBN 13: 978-1-13311-087-3

Chapter 1 - Systems of Linear Equations - 1.2 Gaussian Elimination and Gauss-Jordan Elimination - 1.2 Exercises - Page 22: 21

Answer

This matrix is not in a Row-Echelon form.

Work Step by Step

This matrix is not in the Row-Echelon form because the first nonzero entry in the second row of the matrix is not a leading one.
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