Question 10
Your answer is CORRECT.
Use Gauss-Jordan elimination process to solve the following system of linear
equations.
a)
b)
c)
d)
e)
f)
None of the above.

Question 11
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.)

Question 12
Your answer is CORRECT.
Given A =
. Identify the
a
23
element.
Question 13

Your answer is CORRECT.
Given A =
. Find its transpose.

b)
c)
d)
e)
f)
None of the above.
Question 14
Your answer is CORRECT.
Perform the indicated operation, if possible.
a)
b)
c)
d)

e)
f)
None of the above.
Question 15
Your answer is CORRECT.
Solve for
x
.
Question 16

Your answer is CORRECT.
Let A =
and B =
. Compute the product AB, if possible.

f)
None of the above.
Question 17
Your answer is CORRECT.
Find the inverse of the given matrix, if it exists.