Basic Operation on Matrices

What you need to learn in this topic

1. Add and subtract matrices
2. Multiply a matrix by a number.
3. Multiply two matrices.
4. Explain the characteristics of identity matrix
5. Explain the meaning of inverse matrix and hence determine the inverse matrix for a 2 × 2 matrix.
6. Use the matrix method to solve simultaneous linear equations.
7. Solve problems involving matrices