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March 31, 2015

March 31, 2015

Posted by **anonymous** on Friday, April 8, 2011 at 7:52am.

|-3 9| |-3 1|

c) |5 -1|

|-9 1|

d) none of these

2) when using cramer's rule to solve the system of equations containing 3x - 6y = 9 and -4x + 2y = -6 the numerator for the x variable looks like which of these determinants ?

a) |3 -6| b) |9 -6| c) |-6 2|

|4 2| |-6 2| |3 4| d) none of these

can someone assist me with this? I'm having trouble

- Algebra II -
**MathMate**, Friday, April 8, 2011 at 8:28amThe denominator is composed of a determinant made up of the left-hand side of the equation.

The numerator of the variables is made up a determinant of the left-hand side, but with the corresponding column replaced with the vector of the right hand side.

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