Information on Midterm 1, Math 203

1. Solve a system with three unknowns and three equations and find the LDU Decomposition of the matrix

2. Given two explicite matrices A (2 by 2) and B (2 by 3), find the transpose of B, the inverse of A, the kernel of A, the range of B and so on

3. Decide whether two given sets are subspaces

4. Proof a statement concerning symmetric matrices