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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?