Scalar and Matrix Multiplication Answers

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1 x 3

3 x 3

3 x 1

What are the coordinates of the reflected rectangle?

(0,0), (3,0), (0, –2)

(0, 0), (0, 3), (–2, 0)

(0, 0), (–3, 0), (–2, 0)

(0, 0), (0, –3), (0, –2)

What is the calculation to find c?

(1)(1) + (0)(–1) + (1)(3)

(1)(–2) + (0)(2) + (1)(4)

(2)(1) + (–1)(–1) + (3)(3)

(2)(–1) + (–1)(2) + (3)(4)

What are the values for matrix A?:

Option

The transformation was a reflection about the .

x-axis

y-axis

line y = x

line y = –x

Are the products equal? Does AB = BA?

Yes

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