Quote:
Originally Posted by speedracing944
I am not familiar with the TI82 but does it have a key marked "matrix"?
If it does then you should be able to enter in the matrix. Once it is entered you can solve the matrix using the RREF function which stands for reduced row echelon form. you will get a matrix which looks like..
1 0 0 number
0 1 0 number
0 0 1 number
the "number" in the first row would be your answer for X
the "number" in the second row would be Y
the last one would be you answer for Z
Speedy  |
it does and we entered all the numbers in a 3x4 matrix, but can't find the RREF function?