# geometry

Find the image of P(–2, –1) after two reflections; first , and then .
A. (–2, –1)
B. (–1, –6)
C. (4, –9)
D. (1, –5)

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1. missing input

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posted by Damon
2. Using only reflections in vertical lines, then horizontal lines, you can get B by reflecting

through x = -1/2: (-2,-1) -> (-1,-1)
through y = -7/2: (-1,-1) -> (-1,-6)

No idea what your operations were. Just move your coordinates an equal distance on the other side of the axis.

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posted by Steve

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