Algebra 1

Published by Prentice Hall
ISBN 10: 0133500403
ISBN 13: 978-0-13350-040-0

Chapter 12 - Data Analysis and Probability - 12-1 Organizing Data Using Matrices - Practice and Problem-Solving Exercises - Page 717: 13


2.4 -7.6 8 .3 -7.7 1.3

Work Step by Step

In order to subtract matrices, we subtract each number and its corresponding number. Thus, we subtract the two numbers in the upper left corner of the first two matrices and put the difference in the upper left corner of the new matrix. We do the same thing for the numbers in the upper right corner, middle left side, middle right side, lower left corner, and lower right corner. Thus, we obtain the answer: 2.4 -7.6 8 .3 -7.7 1.3
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