SOLUTION: The line perpendicular to x-2y=7 and containing (-5,5) . Write an equation in standard form using only integers for the line described.

Algebra ->  Linear-equations -> SOLUTION: The line perpendicular to x-2y=7 and containing (-5,5) . Write an equation in standard form using only integers for the line described.      Log On


   

Question 1055476: The line perpendicular to x-2y=7 and containing (-5,5) . Write an equation in standard form using only integers for the line described.
Answer by Fombitz(32388) About Me  (Show Source):
You can put this solution on YOUR website!
Find the slope of the first line,
2y=x-7
y=x%2F2-7%2F2
m=1%2F2
Perpendicular lines have slopes that are negative reciprocals.
%281%2F2%29m%5Bp%5D=-1
m%5Bp%5D=-2
Use the point slope form of a line,
y-5=-2%28x-%28-5%29%29
y-5=-2%28x%2B5%29
y-5=-2x-10
y=-2x-5
2x%2By=-5
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