SOLUTION: find the value of |1 2 -1| |3 -2 1| |0 1 -3| Note:the lines are the absolute value signs. A.26 B.22 C.-16 D.20 Show work please

Algebra ->  Algebra  -> Absolute-value -> SOLUTION: find the value of |1 2 -1| |3 -2 1| |0 1 -3| Note:the lines are the absolute value signs. A.26 B.22 C.-16 D.20 Show work please      Log On

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Question 551580: find the value of
|1 2 -1|
|3 -2 1|
|0 1 -3|
Note:the lines are the absolute value signs.
A.26
B.22
C.-16
D.20
Show work please
Answer by Alan3354(31487) About Me  (Show Source):
You can put this solution on YOUR website!
find the value of
|1 2 -1|
|3 -2 1|
|0 1 -3|
Note:the lines are the absolute value signs.
A.26
B.22
C.-16
D.20
Show work please
-------------
If the lines indicate a matrix, then the determinant is
1*(6-1) - 2*(-9-0) - 1*(3-0) = 5 + 18 - 3
= 20