Question 567453

Let the points be (x1,y1) & (x2,y2)

x1		y1	x2	y2				
3      		2    	2    	1    				
								
slope m =(y2-y1)/(x2-x1)						
(	1    	-	2    	)/(	2    	-	3    	) 
(	-1	/	-1    	)  				
m=		1      						 
								
Plug value of  the slope  and point (	3  ,2  	) in	
Y 	=	m	x 	+	b			
2.00	=	3    	+	b				
b=	2	-	3    					
b=	-1      							
So the equation  will be								
Y 	=	1    	x 		-1    			
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