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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
6
B
-6
C
0
D
-1
2) Complete #25. Which of the following does NOT show up in the answer matrix?
A
2x+3y
B
16x^4+x
C
3-6y
D
x+y
3) Complete #4. Which of the following does NOT show up in the answer matrix?
A
8m
B
7m
C
nm-2m
D
6n-6
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
1
B
6
C
-3
D
2
6) Complete #6. Which one of the following does NOT show up in the answer matrix?
A
y-8
B
-y+4
C
y-9
D
x-4yx-6
7) Complete #7. Which one of the following does NOT show up in the answer matrix?
A
0
B
4
C
3
D
5
8) Complete #8. Which one of the following does NOT show up in the answer matrix?
A
-2p+4n
B
-n+2p-3
C
n+5p-1
D
nm-2p-6
9) Complete #9. Which one of the following does NOT show up in the answer matrix?
A
1+6x
B
y
C
-3+y
D
-1
10) Complete #10. Which one of the following does NOT show up in the answer matrix?
A
5
B
-25
C
25
D
-5
11) Complete #11. Which one of the following does NOT show up in the answer matrix?
A
12u
B
6uv
C
-4uv
D
2u
12) Complete #12. Which of the following does NOT show up in the answer matrix?
A
12p^2
B
12pn+72p
C
-24p^2
D
-12p^2
13) Complete #13. Which of the following does NOT show up in the answer matrix?
A
0
B
-16
C
-7
D
2
14) Complete #14. Which of the following does NOT show up in the answer matrix?
A
-15
B
32
C
33
D
-55
15) Complete #15. Which of the following does NOT show up in the answer matrix?
A
-12
B
0
C
30
D
2
16) Complete #17. Which of the following does NOT show up in the answer matrix?
A
12yx^2
B
-36xy-24yx^2
C
-12x^2
D
6x^2
17) Complete #21. Which of the following does NOT show up in the answer matrix?
A
8
B
68
C
-36
D
-1
18) Complete #27. Which of the following does NOT show up in the answer matrix?
A
8
B
-2
C
-4
D
-16
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
10
B
1
C
0
D
-12
*select an answer for all questions
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