MAC 1140: Precalculus Algebra

Test 5: 12.2 – 12.6
MAC 1140: Precalculus Algebra
November 21, 2013
1.
Determine whether each matrix is in row echelon form. If it is, determine whether the
matrix is
in reduced row-echelon form.
a.
b.
c.
d.
e.
f.

2.

Use Gauss-Jordan Elimination to solve the systems below.
a.

b.

c.
3.

Solve the following systems of equations.
a.
c.