Please help
What is the solution of the matrix equation?
[6 5] [x] [2]
[5 4] [y] = [1]

A.(-2, 1)
B.(10, 6)
C.(–4, 3)
D.(–3, 4)

Question

Please help 
What is the solution of the matrix equation?
[6  5] [x]     [2]
[5  4] [y] = [1]

A.(-2, 1)
B.(10, 6)
C.(–4, 3)
D.(–3, 4)

ankit042 · Answer

This is matrix multiplication...6X+5Y=2 and 5X+4Y=1 solve to get the answer

phi · Answer

find the inverse of the matrix see http://www.mathwords.com/i/inverse_of_a_matrix.htm multiply the inverse of the matrix times vector [ 2 1 ] (written vertically)

jkbo · Answer

I need help solving the problem

phi · Answer

the inverse of a 2 x 2 matrix follows a formula:

swap the 2 numbers on the diagonal
multiply the other 2 numbers by -1
put 1/determinate   out front

phi · Answer

are you able to find the matrix inverse ?