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posted by  bookworm on 9/4/2008 6:56:45 PM  |  status: Live  

Solution set for an augmented matrix

Course Textbook Chapter Problem
N/A Intro to Linear Algebra 5th edition Johnson, Riess, Arnold 1.2 11
Question Details:
The given matrix represents an augmented matrix for a system of linear equations. Display the solution set for the given augmented matrix or state that the system is inconsistent.




I don't understand how the answer in the back of the book gives x1= 0 and x2 = 0

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posted by Senor Cardgage on 9/4/2008 7:02:33 PM  |  status: Live
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bookworm's comment:
"thanks"
Response Details:
It makes sense if you think about it.

Consider what equations the matrix is representing:

x1 + x2 = 0
0  + x2 = 0

so x2 = 0
and therefore x1 = 0
Tags: Math, Calculus
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