What are the coordinates of the image of point J(-2,1) after a reflection over the line y=-1

SnakeDrak asked Feb 24, 2023

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SnakeDrak asked Feb 24, 2023

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26 votes

For reflection about the line y = -x

The point of the image before reflection is (x, y), and the point of the image after reflection is (-y, -x)

The image point is J(-2,-1), and the reflection is over line y = -1

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