SOLUTION: evaluate the determinate |8 0 0| |-16 7 8| |8 4 5|

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Question 85210: evaluate the determinate
|8 0 0|
|-16 7 8|
|8 4 5|
Answer by scianci(186) About Me  (Show Source):
You can put this solution on YOUR website!
Do 8 times the determinate of
|7 8|
|4 5|
[the matrix that remains after eliminating the row and column to which the 8 belongs in the original matrix]
8(7(5) - 4(8)) =
8(35 - 32) =
8(3) = 24