SOLUTION: what is the slop of a line perpendicular to the line 12x-4y=7

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Question 150951: what is the slop of a line perpendicular to the line 12x-4y=7
Answer by jim_thompson5910(35256)   (Show Source): You can put this solution on YOUR website!

Start with the given equation.


Subtract from both sides.


Divide both sides by to isolate .


Simplify.


So the equation is now in slope intercept form where the slope is or . So the perpendicular slope is the negative reciprocal of . In other words, flip to get . Now change the sign to get


So the perpendicular slope is



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