1. Solve the system using matrix methods. x+2y-z = 6 3x+5y-z = 2 -2r-y-2z = 4 Exercise 3 12 2. Solve the system using AX=B where A is the same matrix as before and B = –25 32

Algebra for College Students
10th Edition
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Author:Jerome E. Kaufmann, Karen L. Schwitters
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Chapter12: Algebra Of Matrices
Section12.CT: Test
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1. Solve the system using matrix methods.
x+2y-z = 6
3x+5y-z = 2
-2r-y-2z = 4
Exercise 3
12
2. Solve the system using AX=B where A is the same matrix as before and B = –25
32
Transcribed Image Text:1. Solve the system using matrix methods. x+2y-z = 6 3x+5y-z = 2 -2r-y-2z = 4 Exercise 3 12 2. Solve the system using AX=B where A is the same matrix as before and B = –25 32
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