megannmatthews003 megannmatthews003

21-06-2019
Mathematics

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What is the reflection image of (5,-3) across the line y = -x?

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hienh4517 hienh4517

21-06-2019

y=-x
(X,Y) will change to -> (-y,-x)

(5,-3) will change to ->(3,-5)

-3 changed to 3 because -(-3) = 3

So the answer is (3,-5). I recently learn about this one too.

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