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i need help with matrices and systems of equations. x+ 2y - z = -7 2x +3y + 2z = -3 x-2y-2z=3

0 votes
x+ 2y - z = -7
2x +3y + 2z = -3
x-2y-2z=3
asked Mar 17, 2014 in ALGEBRA 2 by andrew Scholar

1 Answer

0 votes

Cramer's rule

Given equations x  + 2y  - z  = - 7 ---> (1)

2x  + 3y  + 2z  = - 3 ---> (2)

x  - 2y  - 2z  = 3 ---> (3)

Write the equations in matrices form AX  = B .

A  is coefficeint mattrix , is variable matrix and B  is constant matrix.

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Solution :

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answered Mar 22, 2014 by david Expert
edited Mar 22, 2014 by david

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