Tuesday
April 28, 2015

Homework Help: Algebra II

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

1) when using cramer's rule to solve the system of equations containing 5x - y = 5 and -3x + y = -9 the denominator for the x and y variables looks like which of these determinants ? a) |5 5 | b) |5 -1
|-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

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