Matrices 2 x 2

Matrices 2 x 2

10th Grade

14 Qs

quiz-placeholder

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Matrices 2 x 2

Matrices 2 x 2

Assessment

Quiz

Mathematics

10th Grade

Practice Problem

Hard

CCSS
HSN.VM.C.8, HSN.VM.C.7, HSN-VM.B.4C

Standards-aligned

Created by

Anthony Clark

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14 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

1 min • 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.

Tags

CCSS.HSN.VM.C.8

2.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Media Image

What is the determinant of this matrix?

5

-5

0

-12

3.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Media Image

What is the formula for the determinant of a 2x2 matrix?

ad-bc

ab-cd

ad+bc

(a+d)(b+c)

4.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Media Image

What is the determinant of this matrix?

0

24

-24

-12

5.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Media Image

Find the determinant of the matrix

42

-42

22

-22

6.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Matrices can be multiplied only...

if the row of the first matrix is equal to the column of the second matrix.

if the column of the first matrix is equal to the column of the second matrix.

if the column of the first matrix is equal to the row of the second matrix.

if the row of the first matrix is equal to the row of the second matrix.

Tags

CCSS.HSN.VM.C.8

7.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Media Image

Find A+B

8     10
8      1 

12     25
7     1

10     30
0     1

can't add two together because the rows dont match columns

Tags

CCSS.HSN.VM.C.8

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