SOLUTION: find an equation of the line L, where L is perpendicular to y=2x and passes through the point (1,2)

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Question 949115: find an equation of the line L, where L is perpendicular to y=2x and passes through the point (1,2)
Answer by josgarithmetic(39616) About Me  (Show Source):
You can put this solution on YOUR website!
That perpendicular unknown line is y=-%281%2F2%29x%2Bb.

Use the point to be included in this equation solved for b
b=y%2B%281%2F2%29x
b=2%2B%281%2F2%29%2A1
b=2%261%2F2

FOUND LINE: highlight%28y=-%281%2F2%29x%2B2%261%2F2%29