Question

Inverse Matrices and Systems Help!!!

What is the solution of the matrix equation?

{ 9 4 } { -9 -6 }
{ 2 1 } X = { -1 -8 }

@jim_thompson5910 HELP?

Answer 1

first you need to find the inverse of the matrix on the left side

Answer 2

So that would be -9 -4 and -2 -1?

Answer 3

no it's not that simple

Answer 4

oh ok

Answer 5

check out this page

http://www.mathwords.com/i/inverse_of_a_matrix.htm

Answer 6

Am i doing it right?