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Review Matrices

Authored by Fatima Alsaeedi

Mathematics

12th Grade

Review Matrices
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10 questions

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1.

MULTIPLE CHOICE QUESTION

15 mins • 5 pts

Media Image

Find the product of the two matrices.

1   2
6   -8
-3   -5
-5   -11
-2     8
-6   -12
2  -3
5   -2

2.

MULTIPLE CHOICE QUESTION

15 mins • 1 pt

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Can the operation be performed?

Yes

No

I Don't Know

Maybe

3.

MULTIPLE CHOICE QUESTION

15 mins • 1 pt

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These matrices are being multiplied. Determine the dimension/size of the new matrix. 

Can't multiply them
4  x  2
3  x  3
4  x  3

4.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

You can multiply a 6X2 matrix by which matrix?

6X2
2X12
3X12
6x3

5.

FILL IN THE BLANK QUESTION

1 min • 1 pt

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What is the value of element a23?

6.

MULTIPLE CHOICE QUESTION

10 sec • 1 pt

How many columns are in a 5 x 4 matrix?

5
4
20
9

7.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Media Image

Multiply

20     15    -10
30     -5         0
-20      15     -10
30     -5          0
1        8       3
11     4        5
20     -15     10
-30         5        0  

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