SOLUTION: Use Cramer's rule to solve. If inconsistent or dependent, so state. 11x + 3y = 1 5x + 2y = 4
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Algebra: Matrices, determinant, Cramer rule
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Question 82714
:
Use Cramer's rule to solve. If inconsistent or dependent, so state.
11x + 3y = 1
5x + 2y = 4
Answer by
stanbon(48568)
(
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):
You can
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11x + 3y = 1
5x + 2y = 4
---------
Coefficient Determinant = 22-15 = 7
----
x = (2-12)/7 = -10/7
y = (44-5)/7 = 39/7
========
Cheers.
Stan H.