12.1 Adding and Subtracting Matrices

12.1 Adding and Subtracting Matrices

9th - 12th Grade

10 Qs

quiz-placeholder

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12.1 Adding and Subtracting Matrices

12.1 Adding and Subtracting Matrices

Assessment

Quiz

Mathematics

9th - 12th Grade

Medium

Created by

Megan Graziano

Used 6+ times

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10 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

How many rows are in a 7 × 3 matrix?

7

3

21

10

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

How many columns are in a 5 × 4 matrix?

5

4

20

9

3.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Media Image

What are the dimensions of this matrix?

2 × 3

3 × 2

6 × 1

1 × 6

4.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

What must be true in order to add or subtract two matrices?

They must be square

They must have the same dimensions

The discriminant can't equal 0.

The columns of the first must equal the rows of the second

5.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

Media Image

Find A + B:

8     10

8      1 

12     25

7     1

10     30

0     1

Not possible

6.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

Media Image

Find B – A:

–4     0

6      –1

4     0

–6     1

12     25

7     0

Not possible

7.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

Media Image

Add:

11    8

-4     2

3     2

-6    -6

-3    2

-4    -6

10    8

-6    2

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