The reduced row echelon form of the augmented matrix of the system of linear equations Ax = b is 1 0 0 | 9 0 0 0 |0 0 0 0 |0 How many free variables are there in the solutions? Select one: O a. 2 O b. 3 O C. 4 O d. 1

The reduced row echelon form of the augmented matrix of the system of linear equations Ax = b is 1 0 0 | 9 0 0 0 |0 0 0 0 |0 How many free variables are there in the solutions? Select one: O a. 2 O b. 3 O C. 4 O d. 1

Algebra and Trigonometry (MindTap Course List)

4th Edition

ISBN:9781305071742

Author:James Stewart, Lothar Redlin, Saleem Watson

Publisher:James Stewart, Lothar Redlin, Saleem Watson

Chapter11: Matrices And Determinants

Section11.1: Matrices And Systems Of Linear Equations

Problem 3E

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Question

The reduced row echelon form of the augmented matrix of the system of linear equations Ax = b is
1 0 0 | 9
0 0 0 |0
0 0 0 |0
How many free variables are there in the solutions?
Select one:
O a. 2
O b. 3
О с. 4
O d. 1

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