SOLUTION: Could I please get assistance with the following problem: Find the determinant of: -4 0 1 3 the numbers are enclosed with vertical lines. Thank You

Algebra ->  Logarithm Solvers, Trainers and Word Problems -> SOLUTION: Could I please get assistance with the following problem: Find the determinant of: -4 0 1 3 the numbers are enclosed with vertical lines. Thank You      Log On


   

Question 149622: Could I please get assistance with the following problem:
Find the determinant of:
-4 0
1 3
the numbers are enclosed with vertical lines.
Thank You
Answer by Fombitz(32388) About Me  (Show Source):
You can put this solution on YOUR website!
Like this you mean?
%28matrix%282%2C2%2C-4%2C0%2C1%2C3%29%29
For a 2x2 general matrix like the following,
%28matrix%282%2C2%2Ca%2Cb%2Cc%2Cd%29%29
The determinant is given by
D=ad-bc
In your case,
D=-4%283%29-0%281%29
D=-12