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January 31, 2015

January 31, 2015

Posted by **Cassie** on Wednesday, April 9, 2014 at 4:10pm.

|9 4| |-9 -6|

| | X =| |

|2 1| |-1 -8|

A.) |5 -26|

|9 -60|

B.) |-5 26|

|-1 -8|

C.) |-5 26|

|9 -60|

D.) |9 26|

|9 1|

I think the Answer is B. But I am unsure.

Thanks.

- Math -
**Steve**, Wednesday, April 9, 2014 at 5:46pmAssuming you mean matrices and not determinants, take a look at

http://www.wolframalpha.com/input/?i={{9%2C4}%2C{2%2C1}}+*+{{-9%2C-6}%2C{-1%2C-8}}

The result is not one of your answers, so there's a typo somewhere. You can easily adjust the numbers on that web page, till things turn out right.

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