(a) The system has no solution. [1 0 -1 2 The system has a unique solution. 0 1 1 (x, y, 2) = (1LD 0 0 0 The system has infinitely many solutions. o (x,y, 2) = (x,LD (,y, 2) = 1-) (b) The system has no solution. |1 0 0 -5 The system has a unique solution. 0 1 0 (x, y, z) = (1L) 0 0 1i 1 The system has infinitely many solutions. o (x, y, 2) = (x, LD

College Algebra
7th Edition
ISBN:9781305115545
Author:James Stewart, Lothar Redlin, Saleem Watson
Publisher:James Stewart, Lothar Redlin, Saleem Watson
Chapter6: Matrices And Determinants
Section: Chapter Questions
Problem 4CC
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Question
Two augmented matrices for two linear systems in the variables x, y, and z are given below.
The augmented matrices are in reduced row-echelon form.
For each system, choose the best description of its solution.
If applicable, give the solution.
(a)
The system has no solution.
1 0
-1
The system has a unique solution.
0 1
1 5
(x, y, 2) = 1ID
0 0 0
The system has infinitely many solutions.
(x, y, 2) = (x, [1,)
o (x, y, 2) = (y. )
(x, y, 2) = (1-)
(b)
The system has no solution.
1 0 0
The system has a unique solution.
0 1 0
(x, y, z) = (111)
0 0 1
The system has infinitely many solutions.
o (x, y. 2) = (x., LD
Transcribed Image Text:Two augmented matrices for two linear systems in the variables x, y, and z are given below. The augmented matrices are in reduced row-echelon form. For each system, choose the best description of its solution. If applicable, give the solution. (a) The system has no solution. 1 0 -1 The system has a unique solution. 0 1 1 5 (x, y, 2) = 1ID 0 0 0 The system has infinitely many solutions. (x, y, 2) = (x, [1,) o (x, y, 2) = (y. ) (x, y, 2) = (1-) (b) The system has no solution. 1 0 0 The system has a unique solution. 0 1 0 (x, y, z) = (111) 0 0 1 The system has infinitely many solutions. o (x, y. 2) = (x., LD
o (1, y, 2) = (x, [11)
%3D
o (x, y, =) = 1-)
(b)
The system has no solution.
[1 0 0
-5
The system has a unique solution.
0 1 0
(x, y. 2) = 11D
0 0 1 1
The system has infinitely many solutions.
o (r, y. 2) = (x.L)
o (x,y. 2) = y. )
o (4, y, =) = 1-)
Transcribed Image Text:o (1, y, 2) = (x, [11) %3D o (x, y, =) = 1-) (b) The system has no solution. [1 0 0 -5 The system has a unique solution. 0 1 0 (x, y. 2) = 11D 0 0 1 1 The system has infinitely many solutions. o (r, y. 2) = (x.L) o (x,y. 2) = y. ) o (4, y, =) = 1-)
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