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