AnswersGA-Advanced Algebra Concepts and Connections CRScalar and Matrix Multiplication

Scalar and Matrix Multiplication Answers

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1
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What is the product?

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Option
Option A
B
Option
Option B
C
Option
Option C
D
Option
Option D
2
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If , what is 4R?

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A
mc006-2.jpg
Option A
B
mc006-3.jpg
Option B
C
mc006-4.jpg
Option C
D
mc006-5.jpg
Option D
3

Which matrix multiplication is possible?

A
mc014-1.jpg
Option A
B
mc014-2.jpg
Option B
C
mc014-3.jpg
Option C
D
mc014-4.jpg
Option D
4

The vertices of a rectangle are given in the columns of the matrix . If is found to perform a transformation, what are the coordinates of the transformed rectangle?

Question illustration
A
(0, 0), (0, –3), (–3, –3), (–3, 0)
B
(0, 0), (0, 3), (3, 3), (3, 0)
C
(0, 0), (0, 3), (–3, –3), (–3, 0)
D
(0, 0), (0, 3), (–3, 3), (–3, 0)
5

What is the product?

Question illustration
A
mc002-2.jpg
Option A
B
mc002-3.jpg
Option B
C
mc002-4.jpg
Option C
D
mc002-5.jpg
Option D
6

What is the product?

Question illustration
A
Option
Option A
B
Option
Option B
C
Option
Option C
D
Option
Option D
7

What is the size of the matrix resulting from ?

Question illustration
A
1 x 1
B
1 x 3
C
3 x 1
D
3 x 3
8

What is the product?

Question illustration
A
mc023-2.jpg
Option A
B
mc023-3.jpg
Option B
C
mc023-4.jpg
Option C
D
mc023-5.jpg
Option D
9

What is the product?

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

What are the dimensions of the product?

Question illustration
A
1 x 2
B
2 x 2
C
3 x 2
D
3 x 3
12

Each column of the matrix represents a vertex of a triangle. If Rosa scales the triangle by finding 3T, what are the vertices of the scaled triangle?

Question illustration
A
(3, 3), (3, 9), (9, 3)
B
(0, 0), (0, 6), (6, 0)
C
(3, 3), (0, 9), (9, 0)
D
(0, 0), (0, 9), (9, 0)
13

What is the product?

Question illustration
A
mc001-2.jpg
Option A
B
mc001-3.jpg
Option B
C
mc001-4.jpg
Option C
D
mc001-5.jpg
Option D
14

Each column of the matrix represents a vertex of a triangle. If Rosa scales the triangle by finding 3T, what are the vertices of the scaled triangle?

Question illustration
A
(3, 3), (3, 9), (9, 3)
B
(0, 0), (0, 6), (6, 0)
C
(3, 3), (0, 9), (9, 0)
D
(0, 0), (0, 9), (9, 0)
15

What is the product?

Question illustration
A
mc003-2.jpg
Option A
B
mc003-3.jpg
Option B
C
mc003-4.jpg
Option C
D
mc003-5.jpg
Option D
16

What is the product?

Question illustration
A
mc004-2.jpg
Option A
B
mc004-3.jpg
Option B
C
mc004-4.jpg
Option C
D
mc004-5.jpg
Option D
17

The vertices of a rectangle are given in the columns of the matrix . If is found to perform a transformation, what are the coordinates of the transformed rectangle?

Question illustration
A
(0, 0), (0, –3), (–3, –3), (–3, 0)
B
(0, 0), (0, 3), (3, 3), (3, 0)
C
(0, 0), (0, 3), (–3, –3), (–3, 0)
D
(0, 0), (0, 3), (–3, 3), (–3, 0)

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