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December 22, 2014

December 22, 2014

Posted by **Keisha** on Thursday, March 13, 2008 at 10:07am.

(6 3)

(4 a)IS:

a)6 b)3 c)0 d)-12

(the matrix is six above and four below,three above and "a" below)

- matrices -
**Reiny**, Thursday, March 13, 2008 at 11:03amthe determinant of your matrix is

6a - 12

to solve for a we must know what that is equal to.

Are the choices you give possible answers for a? If so, you don't have enough information

Are the choices you give the value of the determinants? Then you have 4 different questions and I will do the first one

for a) 6a-12 = 6

6a = 18

a = 3

do the others the same way.

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