Prof. A. Suciu
MTH 1230 -- Linear Algebra -- Fall 1997
Sample Quiz #1
- 1.
- Solve the following system by Gaussian elimination
in matrix form, with back substitution. Indicate for each step which
row operation you use.
- 2.
- Consider the following system
of linear equations:
Identify which variables are basic and which are free. Write
down the general solution of the system.
- 3.
- Let:
Compute:
- 4.
- Let
Decide whether the following products are defined or not. If they
are, compute them:
- 5.
- Find the inverse of the matrix
- 6.
- Use the Gauss-Jordan method to find the inverse
of the matrix
About this document ...
Alexandru I. Suciu
9/28/1997