Math. 362-02, Fall, 2016 Hints for the Exams

Instructor: R. Baker Kearfott, Department of Mathematics, University of Louisiana at Lafayette
Office hours and telephone, Email:

This page will change throughout the semester.

/ The first exam / The second exam / The third exam / The fourth exam / The fifth exam / The final exam /

Note:  Previously given exams are available below in PDF format.

The first exam:

The first exam will be on Thursday, September 8, 2016.

On it, you will be required to do the following, for three different systems of linear equations:

  1. Write down the augmented matrix for the system of equations. 
  2. Use Gaussian elimination with back substitution to transform the system of equations into reduced row echelon form. 
  3. Interpret the reduced row echelon form in terms of the solution set to the system of equations.  That is,

You will need to show all of your work, and, in particular, each step of the Gaussian elimination process and back substitution, to receive full credit. 

PDF copy of the first exam
first exam answers (PDF)

The second exam:

PDF copy of the second exam
second exam answers (PDF)

The third exam: 

PDF copy of the third exam
third exam answers (PDF)

The fourth exam:

PDF copy of the fourth exam
fourth exam answers (PDF)

The final exam:

PDF copy of the final exam
final exam answers (PDF)