Algebra and Trigonometry 10th Edition

Published by Cengage Learning
ISBN 10: 9781337271172
ISBN 13: 978-1-33727-117-2

Chapter 10 - 10.1 - Matrices and Systems of Equations - 10.1 Exercises - Page 711: 86

Answer

In this matrix, the positions above a leading 1 are not 0, so the matrix is not in reduced row-echelon form. However, it is in row-echelon form.

Work Step by Step

For a matrix to be in reduced row-echelon form, all positions above a leading 1 must be 0. In this matrix, the positions above a leading 1 are not 0, so the matrix is not in reduced row-echelon form. However, it is in row-echelon form.
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