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U5D3 Determinant of a Matrix Apr4

Last updated about 1 year ago

18 Nsɛmmisa

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HOW TO FIND THE DETERMINANT OF A 2x2AND 3x3 MATRIX

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or just use www.desmos.com/matrix

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1

1

1

1

1

1

1

1

1

1

1

1

1

1

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1

Asemmisa {{asɛmmisaAhyɛnsode}}

15.

1

Asemmisa {{asɛmmisaAhyɛnsode}}

16.

1

Asemmisa {{asɛmmisaAhyɛnsode}}

17.

1

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18.

Warm-Up

Use the following matrices to answer questions 1-14.

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1.

I can add A + B.

Nokorɛ

Ɛnyɛ ampa

Asemmisa {{asɛmmisaAhyɛnsode}}

2.

I can subtract w from D.

Nokorɛ

Ɛnyɛ ampa

Asemmisa {{asɛmmisaAhyɛnsode}}

3.

C + D = D + C

Nokorɛ

Ɛnyɛ ampa

Asemmisa {{asɛmmisaAhyɛnsode}}

4.

I can multiply AB.

Nokorɛ

Ɛnyɛ ampa

Asemmisa {{asɛmmisaAhyɛnsode}}

5.

I can multiply BD.

Nokorɛ

Ɛnyɛ ampa

Asemmisa {{asɛmmisaAhyɛnsode}}

6.

I can multiply DB.

Nokorɛ

Ɛnyɛ ampa

Asemmisa {{asɛmmisaAhyɛnsode}}

7.

BD = DB

Nokorɛ

Ɛnyɛ ampa

Asemmisa {{asɛmmisaAhyɛnsode}}

8.

AB = BA

Nokorɛ

Ɛnyɛ ampa

Asemmisa {{asɛmmisaAhyɛnsode}}

9.

Asemmisa {{asɛmmisaAhyɛnsode}}

10.

Asemmisa {{asɛmmisaAhyɛnsode}}

11.

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12.

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13.

Asemmisa {{asɛmmisaAhyɛnsode}}

14.

Look at each square matrix. If you had to choose one number to represent an individual square matrix, how would you select that number?
For example, what one number would you use to represent the data in matrix B? matrix H?