Matrix Multiplication Date Period re.com

Kuta Software - Infinite Algebra 2

Name___________________________________

Matrix Multiplication

Date________________ Period____

Simplify. Write "undefined" for expressions that are undefined.

0 2 6 -6

1)

-2

-5 3

0

6

2)

-5 -3

4

-5 -5 -2 -3

3) -1

2 3

5

-3 5 6 -2

4)

-2

1 1

-5

05

-4 4

5)

-3

1 -2

-4

-5 1

-4 2

535

6)

1

5

-3 0

4

3 -5

-5 7) 6 3 -1

0

3 2 5 4 5 -5

8)

2

3

1 5

-1

6

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-1-

Worksheet by Kuta Software LLC

3 -1

-1 6

9) -3

6 5

4

-6 -6

5 4 -4

10)

2

-1

3

-1 1 -1

65

5 2 -5

11)

6

-5

5 -6 1

60

-5 6 0

-2 -6

-4 3 2 -2 2

12) 5

0 -2 0 -3

4 -6

-5u -v 13) 2 -5v 0 6

-4 -y -4x 0

14) -2x

-4

2 y

-5

Critical thinking questions:

15) Write an example of a matrix multiplication that is undefined.

16) In the expression A B, if A is a 3 ? 5 matrix then what could be the dimensions of B?

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-2-

Worksheet by Kuta Software LLC

Kuta Software - Infinite Algebra 2

Name___________________________________

Matrix Multiplication

Date________________ Period____

Simplify. Write "undefined" for expressions that are undefined.

0 2 6 -6

1)

-2

-5 3

0

6

2)

-5 -3

4

60 -27 12

-30 24 15 -12

-5 -5 -2 -3

3) -1

2 3

5

-5 -10 8 13

-3 5 6 -2

4)

-2

1 1

-5

-13 -19 -11 -1

05

-4 4

5)

-3

1 -2

-4

-5 1

-10 -20 10 -16 18 -24

-4 2

535

6)

1

5

-3 0

4

3 -5

-14 -3 -19 22

-5 7) 6 3 -1

0

-15 5 18 -6 00

3 2 5 4 5 -5

8)

2

3

1 5

-1

6

Undefined

?7 K2I0k1f2k FKQuSt3aC lSeoXfIt0wmaKrDeU RLMLECH.I m lAklMlz zrjiAgYh2thsF KrNeNsHetrevneFd7.Q R VMPaJdre9 rwdiQtAho fIDntfMienWiwtQe7 gAAldg8eTb0rBaw z21.e

-1-

Worksheet by Kuta Software LLC

3 -1

-1 6

9) -3

6 5

4

-6 -6

-8 14 33 6 -24 -60

-1 1 -1

65

5 2 -5

11)

6

-5

5 -6 1

60

-5 6 0

-7 -11 10 13 17 60 0 -61

5 4 -4

10)

2

-1

3

-8 -11

-2 -6

-4 3 2 -2 2

12) 5

0 -2 0 -3

4 -6

8 4 14 -14 8 -17 10 -10 10 20 -8 26

-5u -v 13) 2 -5v 0 6

-10u -32v

-4 -y -4x 0

14) -2x

-4

2 y

-5

16x - 2 y2 5 y 8x2 - 8 y 20

Critical thinking questions:

15) Write an example of a matrix multiplication that is undefined.

12

12

Many answers. Ex: 3

3 4

4

56

16) In the expression A B, if A is a 3 ? 5 matrix then what could be the dimensions of B?

5 ? Anything

Create your own worksheets like this one with Infinite Algebra 2. Free trial available at

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-2-

Worksheet by Kuta Software LLC

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