Let A 1 2 3 1 -8 5 a. Verify that A¬1 -3 2 2 -1 b. Write the following system of equations as a matrix equation. -2y +z 1 y +2z 2y +3z 3 c. Use the result from part (a) to solve the previous system of equations.

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.CT: Chapter Test
Problem 9CT
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Question
Г1
-2
1
Let A
1
3
1.
-8
5
a. Verify that A-1
-3
-1
b. Write the following system of equations as a matrix equation.
-2y
+z
1
+2z
2у +32
3
c. Use the result from part (a) to solve the previous system of equations.
d. Check your solution to part (c).
Transcribed Image Text:Г1 -2 1 Let A 1 3 1. -8 5 a. Verify that A-1 -3 -1 b. Write the following system of equations as a matrix equation. -2y +z 1 +2z 2у +32 3 c. Use the result from part (a) to solve the previous system of equations. d. Check your solution to part (c).
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