AnswersGA-Advanced Algebra Concepts and Connections CRAdding and Subtracting Matrices

Adding and Subtracting Matrices Answers

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1
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1.

A
A
B
B
C
C
D
D
2
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2.

A
A
B
B
C
C
D
D
3

3.

A
A
B
B
C
C
D
D
4

4.

A
A
B
B
C
C
D
D
5

What are the coordinates of the reflected rectangle?

A
(0,0), (3,0), (0, –2)
B
(0, 0), (0, 3), (–2, 0)
C
(0, 0), (–3, 0), (–2, 0)
D
(0, 0), (0, –3), (0, –2)
6

What is the calculation to find c?

A
(1)(1) + (0)(–1) + (1)(3)
B
(1)(–2) + (0)(2) + (1)(4)
C
(2)(1) + (–1)(–1) + (3)(3)
D
(2)(–1) + (–1)(2) + (3)(4)
7

Which of the following matrix multiplications are possible?

A
Option
Option A
B
Option
Option B
C
Option
Option C
8

:

A
1 x 3
B
3 x 3
C
3 x 1
9

What are the values for matrix A?:

Question illustration
A
Option
Option A
B
Option
Option B
C
Option
Option C
10

What is the size of the matrix resulting from each multiplication?

Question illustration
A
1 x 2
B
2 x 2
C
2 x 1
11

Question text not available

Question illustration
A
3 x 1
B
3 x 3
C
1 x 3
12

Which rectangle represents the result of the matrix multiplication?

A
Option
Option A
B
Option
Option B
13

Are the products equal? Does AB = BA?

A
Yes
B
No
14

The transformation was a reflection about the .

A
x-axis
B
y-axis
C
line y = x
D
line y = –x

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