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3x13x₂ -3x2 -21 +22 2x1 +х2 +23 +2х3 -3х3 = 1 2 0

3x13x₂ -3x2 -21 +22 2x1 +х2 +23 +2х3 -3х3 = 1 2 0

Elementary Geometry For College Students, 7e
Elementary Geometry For College Students, 7e
7th Edition
ISBN:9781337614085
Author:Alexander, Daniel C.; Koeberlein, Geralyn M.
Publisher:Alexander, Daniel C.; Koeberlein, Geralyn M.
ChapterP: Preliminary Concepts
SectionP.CT: Test
Problem 1CT
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Consider the linear system attatched 

Bring the augmented matrix of the system to row echelon form, and state which of the variables are leading variables and which are free variables.

Select One:

1.there are no free variables
2.x1 and x3 are the leading variables, while x2 is a free variable
3.x2 and x3 are the leading variables, while x1 is a free variable
4.x1 is a leading variables, while x2 and x3 are free variables
5.x1 and x2 are the leading variables, while x3 is a free variable
3x1 -3х2 -21 +х2 2x1 +х2 +X3 +2x3 -3х3 1 2 0
Transcribed Image Text:3x1 -3х2 -21 +х2 2x1 +х2 +X3 +2x3 -3х3 1 2 0
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