http://www.ck12.org Chapter 8. Systems and Matrices
6 x+ 3 y− 2 z=− 22
− 4 x− 2 y+ 4 z= 28
3 x+ 3 y+ 2 z= 7- When using Cramer’s Rule to solve a system of equations you will occasionally find that the determinant of
the coefficient matrix is zero. When this happens, how can you tell whether your system has no solution or infinite
solutions?