Question 4
Your answer is CORRECT.
Use the Gauss-Jordan elimination process on the following system of linear
equations to find the value of
x
.

Question 5
Your answer is CORRECT.
Use the Gauss-Jordan elimination process on the following system of linear
equations to find the value of
z
.
Question 6

Your answer is CORRECT.
Use Gauss-Jordan elimination process to solve the following system of linear
equations.
= 1

Question 7
Your answer is CORRECT.
Use Gauss-Jordan elimination process to solve the following system of linear
equations.

a)
x
= 0,
y
= 3
b)
x
= 1,
y
= 0
c)
x
= 4,
y
= 2
d)
x
= 2,
y
= -1
e)
x
= 3,
y
= -2
f)
None of the above.

Question 8
Your answer is CORRECT.
Use Gauss-Jordan elimination process to solve the following system of linear
equations.
= 0

Question 9
Your answer is CORRECT.
Given that the augmented matrix in row-reduced form below is equivalent to the
augmented matrix of a system of linear equations. Determine whether the system
has a solution and find the solution(s) to the system, if they exist.
Note: The dotted vertical line in the matrix above should be a single vertical line.)
= 1