14.3 Homework Problems: Gaussian Elimination
1. Solve each systems of equations using Gaussian Elimination
a. x + 2y = 3
2x – y = -4
b. -2x + 4y + z = -3
x – 3y + 2z = 11
x – 2y + 3z = 12
c. x – y + 5z = -6
x + 2z = 0
6x + y + 3z = 0
d. 3x + 4z = 11
x + y = -2
2y + z = -4