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Represent the system above using matrices as indicated. x-y+z=-2 x+2y-z=2 2y+3z=7   An augmented matrix Use row operations to put the matrix from part a in Row-Echelon Form. In the form AX = B, where A, X, and B are matrices. (Use the original system.) Show how to use A-1to find the matrix X in part c.

Represent the system above using matrices as indicated. x-y+z=-2 x+2y-z=2 2y+3z=7   An augmented matrix Use row operations to put the matrix from part a in Row-Echelon Form. In the form AX = B, where A, X, and B are matrices. (Use the original system.) Show how to use A-1to find the matrix X in part c.

College Algebra (MindTap Course List)
College Algebra (MindTap Course List)
12th Edition
ISBN:9781305652231
Author:R. David Gustafson, Jeff Hughes
Publisher:R. David Gustafson, Jeff Hughes
Chapter6: Linear Systems
Section6.2: Guassian Elimination And Matrix Methods
Problem 99E
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  1. Represent the system above using matrices as indicated.

x-y+z=-2

x+2y-z=2

2y+3z=7

 

  1. An augmented matrix





  1. Use row operations to put the matrix from part a in Row-Echelon Form.













  1. In the form AX = B, where A, X, and B are matrices. (Use the original system.)





  1. Show how to use A-1to find the matrix X in part c.
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