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

geometry  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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