Unit 3 Test Review (Matrices)

Unit 3 Test Review (Matrices)

9th - 12th Grade

15 Qs

quiz-placeholder

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Unit 3 Test Review (Matrices)

Unit 3 Test Review (Matrices)

Assessment

Quiz

Mathematics

9th - 12th Grade

Hard

Created by

Dakota Crews

FREE Resource

15 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

15 mins • 1 pt

Media Image
Add
11    8
-4     2
3     2
-6    -6
-3    2
-4    -6
10    8
-6    2

2.

MULTIPLE CHOICE QUESTION

15 mins • 1 pt

Media Image

What is the size of the matrix below? Always do Rows x Columns.

3 x 4

4 x 3

3.

MULTIPLE CHOICE QUESTION

15 mins • 1 pt

Media Image

Which element is located in A23?

-3

5

-9

2

4.

MULTIPLE CHOICE QUESTION

15 mins • 1 pt

Media Image
Subtract

3    -8
0   -1

3   -4
8  -13

-3   8
0    1

3   -8
-8    1

5.

MULTIPLE CHOICE QUESTION

15 mins • 1 pt

Media Image
Find A-B

-3     1
7     -1

1     0
1     -4

-4       0
6     -1

not possible because rows do not match columns

6.

MULTIPLE CHOICE QUESTION

15 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  

7.

MULTIPLE CHOICE QUESTION

15 mins • 1 pt

What must be true in order to ADD two matrices?

They must be square.

The dimensions must be equal.

The determinant can't equal 0.

The column of the 1st must equal the row of the 2nd.

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