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Quiz 2
You scored 22.22 out of 100
Question 1
Your answer is INCORRECT.
Write the augmented matrix corresponding to the given system of equations:
(Note: The dotted vertical line in each matrix below should be a single vertical line.)
a)
b)
c)
d)
e)

Question 2
Your answer is INCORRECT.
Write the system of equations corresponding to the given augmented matrix:
(Note: The dotted vertical line in the matrix above should be a single vertical line.)

Question 3
Your answer is INCORRECT.
Which of the following matrices are in row-reduced form?
(Note: The dotted vertical line in each matrix should be a single vertical line.)

b)
None of them
c)
II and III only
d)
I and II only
e)
All of them
f)
None of the above.
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
.