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: 24


This matrix is in a Reduced Row-Echelon form.

Work Step by Step

This matrix is in a reduced Row-Echelon form because 1) In the bottom part of the matrix there are only zeros. 2) Each 1st nonzero element in each row is $1$. 3) In the column of those leading $1$-es the rest of entries are zero.
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