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To: Trapasso, Tyler FT 2013 GRAD@Beacon High School
Date: Tuesday, January 29, 2013
Re: Home > New Algebra I (2010 Edition) Semester 2
New Algebra I (2010 Edition) Semester 2
anyteacher and Mrs. Darrow
Submission 29: Matrices
You have looked at it once before. There are 25 questions worth 28 points.
Part 1
Select the best answer from the choices provided. (Each question is worth one point)
1. Given the following matrix, what is the value of a22?
19 17 1
8
7 4 2
5 15 0
4 5
17
1
9
2. Given the following matrix, what is the value of a31?
8 3 19
14 1 8
4 11 5
19 1
5 4
3. Given the following matrix, what is the value of a11?
14 3 16
11 20 7
3 19 16
7 20
11
14
4. Given the following matrix, what is the value of a22?
14 7 18
16 19 12
20 3 13
14 19
3 7
5. Given the following matrix, what is the value of a32?
15 7 9
5 3 8
5 9 20
3 7
8 9
6. After simplifying the matrix operation below, what does a11 equal?
15 9
+
3 19
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15 9
+
3 19
-12 12
18 34
7. After simplifying the matrix operation below, what does a11 equal?
12 14
–
19 5
31 33
17 -7
8. After simplifying the matrix operation below, what does a21 equal?
5
11
–
1
2
9 10
6 3
9. After simplifying the matrix operation below, what does a21 equal?
15
19
+
6
7
13 26
21 8
10. After simplifying the matrix operation below, what does a21 equal?
4
9
–
5
10
9 4
-6 -1
Part 2
Select the best answer from the choices provided. (Each question is worth one point)
11. After simplifying the matrix operation below, what does a12 equal?
7 17
7 13 –
16 18
9 8
16 -1
35 -9
12. After simplifying the matrix operation below, what does a11 equal?
4 15
11 15 –
10 14
6 5
17 1
29 -6
13. After simplifying the matrix operation below, what does a22 equal?
20 0 17
14 15 18
2 8 4
–
9 5 3
15 17 18
2 16 1
24 17
0 -2
14. After simplifying the matrix operation below, what does a32 equal?
4
9 18
6 14 1
14 13 9
–
7 11 5
19 9 12
2 5 3
-11 5
8 33
15. After simplifying the matrix operation below, what does a11 equal?
4 •
7
8
8
28 56
32 224
16. After simplifying the matrix operation below, what does a21 equal?
3 •
13
14
39 182
42 546
17. After simplifying the matrix operation below, what does a12 equal?
1 •
6 3
4 1
6 4
3 1
18. After simplifying the matrix operation below, what does a21 equal?
2 •
5 4
3 6
10 6
8 12
19. After simplifying the matrix operation below, what does a22 equal?
3 •
3 0
1 4
9 3
0 12
20. After simplifying the matrix operation below, what does a11 equal?
3 •
7 6
2 1
21 6
18 3
21. After simplifying the matrix operation below, what does a31 equal?
3 •
5 3 2
5 8 3
4 6 0
9 18
6 12
22. After simplifying the matrix operation below, what does a31 equal?
2 •
4 8 5
7 2 1
3 6 4
10 14
6 7
Part 3
Type the answer to the question in the textbox below each item. (Each question is worth two points)
23. After simplifying the matrix operation below, what does a22 equal?
4 5
7 13
–
19 10
11 10
24. After simplifying the matrix operation below, what does a21 equal?
