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Basic Matrix Operations
Test Description: Use the worksheet to answer the following questions:
Instructions: Answer all questions to get your test result.
1) Complete #1. Which of the following does NOT show up in the answer matrix?
A
-1
B
6
C
-6
D
0
2) Complete #25. Which of the following does NOT show up in the answer matrix?
A
3-6y
B
16x^4+x
C
2x+3y
D
x+y
3) Complete #4. Which of the following does NOT show up in the answer matrix?
A
7m
B
6n-6
C
nm-2m
D
8m
4) Complete #5. Which one of the following does NOT show up in the answer matrix?
A
-6-2y
B
0
C
-6x
D
8m
5) Complete #2. Which one of the following does NOT show up in the answer matrix?
A
2
B
1
C
-3
D
6
6) Complete #6. Which one of the following does NOT show up in the answer matrix?
A
x-4yx-6
B
y-9
C
-y+4
D
y-8
7) Complete #7. Which one of the following does NOT show up in the answer matrix?
A
4
B
3
C
5
D
0
8) Complete #8. Which one of the following does NOT show up in the answer matrix?
A
n+5p-1
B
nm-2p-6
C
-n+2p-3
D
-2p+4n
9) Complete #9. Which one of the following does NOT show up in the answer matrix?
A
y
B
-1
C
1+6x
D
-3+y
10) Complete #10. Which one of the following does NOT show up in the answer matrix?
A
25
B
-5
C
-25
D
5
11) Complete #11. Which one of the following does NOT show up in the answer matrix?
A
6uv
B
12u
C
-4uv
D
2u
12) Complete #12. Which of the following does NOT show up in the answer matrix?
A
-12p^2
B
-24p^2
C
12p^2
D
12pn+72p
13) Complete #13. Which of the following does NOT show up in the answer matrix?
A
0
B
2
C
-16
D
-7
14) Complete #14. Which of the following does NOT show up in the answer matrix?
A
32
B
33
C
-15
D
-55
15) Complete #15. Which of the following does NOT show up in the answer matrix?
A
0
B
2
C
30
D
-12
16) Complete #17. Which of the following does NOT show up in the answer matrix?
A
12yx^2
B
6x^2
C
-12x^2
D
-36xy-24yx^2
17) Complete #21. Which of the following does NOT show up in the answer matrix?
A
-36
B
8
C
68
D
-1
18) Complete #27. Which of the following does NOT show up in the answer matrix?
A
-2
B
-4
C
-16
D
8
19) Why is #28 undefined?
A
The first matrix is a 1x4 and the second matrix is a 1x3.
B
You cannot add matrices.
C
You cannot add m's and n's.
D
It is not undefined, there is an answer.
20) Complete #24. Which of the following does NOT show up in the answer matrix?
A
0
B
10
C
-12
D
1
*select an answer for all questions
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