Question 512848
x1		y1	x2	y2				
1		3	5	5				
								
slope m =		(y2-y1)/(x2-x1)						
(	5	-	3	)/(	5	-	1	) 
(	2	/	4	)  				
m=		  1/ 2						 

the perpendivular line will have a slope which is negative reciprocal of this segment.

so m = -2

plug m=-2 & (3,4) in y=mx+b

4=-2*3+b
5=-6+b
b=10

The equation will be y=-2x+10

m.ananth@hotmail.ca