SOLUTION: 2x+4y=-10;(4,2) write equation of a line that is perpendicular to the given line and that passes through the given point

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Question 368769: 2x+4y=-10;(4,2)
write equation of a line that is perpendicular to the given line and that passes through the given point
Answer by robertb(4012) About Me  (Show Source):
You can put this solution on YOUR website!
The unknown line would have the form
4x-2y = c, where c is an undetermined constant. To find c use the coordinates of the given point:
4*4 - 2*2 = 16 - 4 = 12.
Therefore the equation of the line is
4x-2y = 12.