SOLUTION: Determine a solution to each of the following linear systems, using the fact that Ax=b is consistent if and only if b is a linear combination of the columns of A: {1234/2341/341

Algebra ->  Matrices-and-determiminant -> SOLUTION: Determine a solution to each of the following linear systems, using the fact that Ax=b is consistent if and only if b is a linear combination of the columns of A: {1234/2341/341      Log On


   



Question 391931: Determine a solution to each of the following linear systems, using the fact that Ax=b is consistent if and only if b is a linear combination of the columns of A:
{1234/2341/3412}{A/B/C/D}={20/20/20}
(Hints:It is {4x3 matrix}{4x1 matrix}={3x1 matrix},slash / mean next row)
P/S:I don't know how to write matrix bracket,hope you will understand

Answer by stanbon(75887) About Me  (Show Source):
You can put this solution on YOUR website!
I used the Matrix function on my TI-84 and got
A = -20
B = 20
C = 0
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Cheers,
Stan H.