Question 821391
1	y  	=	-  1/ 7	x	+	8    				
Divide by	1									
	y  	=	-  1/ 7	x	+	8    				
Compare this equation with y=mx+b,					m= slope & b= y intercept					
slope m =	- 1/7									
										
The slope of a line perpendicular to the above line will be the negative reciprocal										7    
Because m1*m2 =-1										
The slope of the required line will be			7    							
										
m=	7    	,point	(	5	,	9	)			
Find b by plugging the values of m & the point in										
y=mx+b										
9	=	35      	+	b						
b=	-26    									
m=	7    									
The required equation is		y  	=	7      	x		-26      			
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