Solve the following systems using matrices. Show your work and explain along the way. 4x-2y=-1
x+5y=1

4 2 X = -1
1 5 Y 1

2x + 3y = 5
x + 4y = 10

Explore the matrix function on your graphing calculator. Use your calculator to solve the following systems. Explain how you used your calculator on each problem.

4x - 2y = -1
x + 5y = 1

x + 2y + 3z = -1
2x - 3y + 4z = 2
-3x + 5y - 6z = 4