Let A and B be the following matrices. Perform the following operations: 7A = A-5B= -4A + 2B = A = -3 7 9 8 -8-8 " B = -5 3 3 7 -9 5 -5 5 4

College Algebra (MindTap Course List)
12th Edition
ISBN:9781305652231
Author:R. David Gustafson, Jeff Hughes
Publisher:R. David Gustafson, Jeff Hughes
Chapter6: Linear Systems
Section6.3: Matrix Algebra
Problem 7E
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Let A and B be the following matrices.
Perform the following operations:
7A =
A-5B=
-4A + 2B
A
=
-3
7
9
8
-8-8
"
B =
-5
3
3
7 -5
5
4
-9
5
Transcribed Image Text:Let A and B be the following matrices. Perform the following operations: 7A = A-5B= -4A + 2B A = -3 7 9 8 -8-8 " B = -5 3 3 7 -5 5 4 -9 5
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