# MA107 Quantitative methods. Review on linear algebra for students of management, business, social sciences

Solving a system of linear equations Ax = b

Row view, and column view of Ax = b

3 important matrices: identity, square, inverse of a square matrix

Solving Ax=b using augmented matrix and Gaussian elimination

Finding the inverse of square matrix A

Input-output model: x= Ax + d. Writing down the technology matrix A.