Posted by Euphoria on Tuesday, November 30, 2010 at 4:50pm.
Solve using Determinants and Cramer's Rule?
I was absent and missed the lecture on Cramer's rule and Determinants and have no idea how to start the homework..
The directions and problem are as follows:
Using Cramer's Rule, set this problem up to find "a". Only evaluate the Denominator. When finished with the Denominator, finalize the answer by putting it into the context: a=?/#
6a 4b 5c 2d = 5
7a +3b + c 3d = 6
2a  6b + 4c + 9d = 9
4a + 7b  8c 5d = 2
Thanks in advanced!
(Please show the steps and be as detailed as possible so I can study the process and complete the rest of the problems, thanks!)

Math  ash, Tuesday, November 30, 2010 at 5:01pm
actually i have a question
is that 1 big problem or 4 different ones???

Math  Euphoria, Tuesday, November 30, 2010 at 5:03pm
that is one big problem haha

Math  ROSE, Thursday, July 14, 2011 at 7:10pm
I DON'T GET THE MINUSES IN THIS ONE? PLEASE HELP????
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