SOLUTION: Find the value of | -7 12|

SOLUTION: Find the value of | -7 12| | 4 -11|

Question 617378: Find the value of | -7 12|
| 4 -11|
Answer by jim_thompson5910(35256) (Show Source): You can put this solution on YOUR website!

Solved by pluggable solver: Finding the Determinant of a 2x2 Matrix

If you have the general 2x2 matrix:

the determinant is:

So this means that

Note: the vertical bars denote a determinant.

-----------------------------------------------------------------

So in this case the determinant of is:

======================================================

Answer:

So which means that the determinant of the matrix is 29

RELATED QUESTIONS
How do you find the value of 'd' 11/4= d+7/8 (answered by rfer)

find the average of the integers. 12, -8, -4, 11,... (answered by josmiceli)

Find the value of the following: 6!11! _______... (answered by pedjajov)

. Without graphing, find the minimum value. 7 -11 (answered by Fombitz)

I have to find the absolute value of... (answered by Alan3354)

find the LCD of 1/4 1/12 11/16? (answered by josmiceli)

Will you help me solve the equation and find the value of "c" in the problem { { {... (answered by josgarithmetic)

Find the absolute value... (answered by edjones)

Find the absolute value. [11/4] (answered by Gogonati)