Find the inverse of the matrix (if there is one) algebraically.

Find the inverse of the matrix (if there is one) algebraically.  If there isn’t an inverse, say that the matrix is singular

[3 1 2]

[3 2 -1]

[1 1 1]

Use matrices to solve the system of equation. {x+2y=-4, 2x+y=1}

solution: (2,-3)

Matrix operation

Matrix Operations

Matrix operations

Minimum Polynomial through 4 distinct points

Find the minimum polynomial through which these points will pass: (1,1), (5,1), (7,2), and (10,1)