Answer
3x3
Work Step by Step
The size of a matrix is given by m x n, where m is equal to the number of rows and n is equal to the number of columns. In this problem, m=3 and n=3 so the size of the matrix is 3 x 3.
Elementary Linear Algebra 7th Edition
by Larson, Ron
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: 1
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