SOLUTION: Could someone tell me if I got this problem right? It's worded,evaluate each determinant.I know that there is suppose to be the straight lines on each side, but I don't know how to

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Question 145164: Could someone tell me if I got this problem right? It's worded,evaluate each determinant.I know that there is suppose to be the straight lines on each side, but I don't know how to do that on the computer.
1) 6 -7
5 8 I got 83 for the answer

Answer by nerdybill(7384)   (Show Source): You can put this solution on YOUR website!
Your answer of 83 is correct.

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