Posted by **Lucia** on Wednesday, June 20, 2012 at 8:23pm.

Find the coordinates of the image of the point (4,2) when it is reflected across the line y=3

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**Reiny**, Wednesday, June 20, 2012 at 8:49pm
y=3 is a horizontal line, the point (4,2) is one unit below it, so reflecting it would put it one unit above it, so

(4,2) ----> (4,4)

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