Problem

Reflect the point (1,5) across the line y=2x+1 to obtain the point p. Determine the coordinates for p.

Answer

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Answer

The coordinates of the reflected point are (75,115)

Steps

Step 1 :Plug the values into the formula:

Step 2 :x=12(51)1+22=75

Step 3 :y=2(11)+5(122)+2(1)1+22=115

Step 4 :The coordinates of the reflected point are (75,115)

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