http://www.ck12.org Chapter 8. Systems and Matrices
4 x− 2 y=− 20
x− 3 y=− 153 x+ 5 y= 33
−x− 2 y=− 13x+ 4 y= 11
3 x+ 12 y= 33− 3 x+y=− 7
−x+ 4 y= 53 x+y= 6
− 6 x− 2 y= 10- Use Cramer’s Rule to solve forxin the following system:
2 x−y+z= 4
4 x+ 7 y−z= 38
−x+ 3 y+ 2 z= 23- Use Cramer’s Rule to solve foryin the following system:
4 x+y−z=− 16
− 3 x+ 4 y+z= 18
x+y− 3 z=− 17- Use Cramer’s Rule to solve forzin the following system: