Scalar and Matrix Multiplication

Question 1

Choose one:

Revolt · Accepted Answer

3 x 1

Question 2

Do these procedures yield the same result?1. First do the scalar multiplication, then do the matrix multiplication.2. First do the matrix multiplication, then do the scalar multiplication.

Revolt · Accepted Answer

yes

Question 3

c11 =

Revolt · Accepted Answer

Part 1: -1; Part 2: 3; Part 3: 3; Part 4: -3; -1

Question 4

d11 =

Revolt · Accepted Answer

Part 2: 6; Part 3: 1; Part 4: -4; 0

Question 5

b1 =

Revolt · Accepted Answer

Part 1: -21; Part 2: 33; Part 3: 6; -21

Question 6

Question 10

Revolt · Accepted Answer

Answer image: //media.edgenuity.com/EVresources/3111-06-52-20-03-task/mc001-3.jpg

Question 7

Which products can be found by matrix multiplication?

Revolt · Accepted Answer

BA; CB; DE; EF

Question 8

Question 12

Revolt · Accepted Answer

Part 1: 2; Part 2: 2; 2

Question 9

Multiply the matrix representing the vertices of the rectangle to transform the figure.What are the coordinates of the resulting figure? (0, 0), (4, 0), (4, 4), (0, 2)(0, 0), (–4, 0), (–4, –4), (0, 2)(0, 0), (4, 0), (4, –4), (0, –2)(0, 0), (–4, 0), (–4, -4), (0, –2)

Revolt · Accepted Answer

(0, 0), (4, 0), (4, –4), (0, –2)

Question 10

The following transformation uses both scalar and matrix multiplication.What are the coordinates of the resulting figure? (0,0), (4, 0), (4, –2), (0, –4)(0, 0), (8, 0), (8, –4), (0, –8)(0, 0), (–8, 0), (–8, 4), (0, 8)(0, 0), (0, –8), (–4,–8), (–8,0)

Revolt · Accepted Answer

(0, 0), (0, –8), (–4,–8), (–8,0)

Scalar and Matrix Multiplication Answers

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