MAT1503
EXAM PACK
,Name: _________________________
Score: ______ / ______
1 Examination 1
Closed book and online examination, which you have to write within 2 hours and submit online, by no later
than 17:00 on 25 June 2020.
This web based examination remains the property of the University of South Africa and may not be
distributed from the Unisa platform.
Declaration: I have neither given nor received aid on this examination.
The examination is made up of multiple-choice question and it will take place on the Online Assessment tool
located on your module examination site on myUnisa. You have to be online for the full duration of
the exam.
Save Frequently while working
Answer All Questions and Submit within the stipulated timeframe.
Late submission will not be accepted.
Part 1
,Question 1 - [4 Marks]
Let C be an m by n matrix and k a scalar such
that kC = 0. Which of the following statements
is/are correct?
A. Either k = 0 or C = 0.
B. k is not zero and C is not the zero matrix.
A.
Only A.
B.
Both A and B.
C.
Neither A nor B
D.
Only B.
, Question 2 - [4 Marks]
Let T be an m by n matrix.
Which of the following statements is/are correct?
A. T = - T if and only if T is the m by n zero matrix.
B. T = - T if T is an m x n symmetric matrix.
A.
Neither A nor B.
B.
Only B.
C.
Only A.
D.
Both A and B.
EXAM PACK
,Name: _________________________
Score: ______ / ______
1 Examination 1
Closed book and online examination, which you have to write within 2 hours and submit online, by no later
than 17:00 on 25 June 2020.
This web based examination remains the property of the University of South Africa and may not be
distributed from the Unisa platform.
Declaration: I have neither given nor received aid on this examination.
The examination is made up of multiple-choice question and it will take place on the Online Assessment tool
located on your module examination site on myUnisa. You have to be online for the full duration of
the exam.
Save Frequently while working
Answer All Questions and Submit within the stipulated timeframe.
Late submission will not be accepted.
Part 1
,Question 1 - [4 Marks]
Let C be an m by n matrix and k a scalar such
that kC = 0. Which of the following statements
is/are correct?
A. Either k = 0 or C = 0.
B. k is not zero and C is not the zero matrix.
A.
Only A.
B.
Both A and B.
C.
Neither A nor B
D.
Only B.
, Question 2 - [4 Marks]
Let T be an m by n matrix.
Which of the following statements is/are correct?
A. T = - T if and only if T is the m by n zero matrix.
B. T = - T if T is an m x n symmetric matrix.
A.
Neither A nor B.
B.
Only B.
C.
Only A.
D.
Both A and B.
