use matrices to solve the system of equations , if possible.
2x+y+2z=4
2x+2y=5
2x-y+6z=2
2 answers
http://www.gregthatcher.com/Mathematics/GaussJordan.aspx
2 1 2 4
2 2 0 5
2-1 6 2
1 0 2 3/2
0 1-2 1
0 0 0 0
(3/2, 1, 0)
2 2 0 5
2-1 6 2
1 0 2 3/2
0 1-2 1
0 0 0 0
(3/2, 1, 0)
2 answers