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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