SOLUTION: Find the determinant of the matrix [-1,-2] ----------- ----------- -----------[8,4] a.0 b.12 c.-30 d.-10 e.20

Algebra ->  Linear-equations -> SOLUTION: Find the determinant of the matrix [-1,-2] ----------- ----------- -----------[8,4] a.0 b.12 c.-30 d.-10 e.20      Log On


   

Question 472607: Find the determinant of the matrix [-1,-2]
-----------------------------------[8,4]
a.0
b.12
c.-30
d.-10
e.20
Answer by stanbon(75887) About Me  (Show Source):
You can put this solution on YOUR website!
Find the determinant of the matrix [-1,-2]
-----------------------------------[8,4]
Ans: (-1*4)-(-2*8)
= -4-(-16)
= -4+16
= 12
====================
Cheers,
Stan H.
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a.0
b.12
c.-30
d.-10
e.20