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Art [367]
3 years ago
10

By which matrix should you multiply vector [1 3] to rotate it 180°?

Mathematics
1 answer:
Ksivusya [100]3 years ago
4 0

Answer:

B

Step-by-step explanation:

Rotation 180° is accomplished by negating both the x- and y-coordinates. That is, you multiply each of them by -1. You want the opposite of the identity matrix, so matrix B.

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