College Algebra
posted by
Roger
.
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