College Algebra
posted by
Roger on
.
Please help!
x2y+z=7
2x+yz=0
3x+2y2z=2
a. Solve the above system of equations using Gaussian Elimination or GaussJordan Elimination. You must show row operations.
b. Solve the above system of equations using Cramer's Rule.

College Algebra 
Jay,
its a simple matrix problem. ti89 does it for you.

College Algebra 
Anonymous,
how do a graph on a Ti83 for an ellipse center at origin

College Algebra 
Donna,
This is my problem
I need help with.
(7,8); 3x+5y=6

College Algebra 
Anonymous,
{7x+4y=11
5x+6y=2