Sample Matrices Worksheet
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Date ___________________

Matrices
(Answer ID # 0125573)
Solve each system of equations using Cramer's rule.

1.   6x - 1y + 3z = -51
-4x - 6y + 7z = 32
-1x + 5y + 3z = 30
2.   -8x + 9y + 2z = 3
-9x - 3y + 4z = 55
-7x + 5y + 2z = 13
3.   -6x + 1y + 8z = 45
7x - 2y + 5z = 26
6x + 1y + 4z = 45
4.   9x - 8y - 3z = 46
-4x - 7y - 3z = 51
-5x - 9y - 8z = 53
5.   1x - 6y - 2z = -57
7x - 3y + 9z = 58
5x + 6y + 4z = 79
6.   -8x + 2y + 1z = 55
3x + 5y - 6z = -32
7x + 4y + 1z = -52
7.   -9x + 8y - 2z = -14
-1x - 3y - 4z = 37
7x + 5y - 8z = -39
8.   -2x + 6y - 9z = -34
-3x + 8y + 5z = 127
-6x - 7y + 1z = 3
9.   -2x + 4y - 9z = 90
-6x - 2y - 5z = 34
-4x + 3y + 8z = -122

 

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