Question 447395
x1		y1	x2	y2				
-1		-4	4	11				
								
slope m =(y2-y1)/(x2-x1)						
(11+4)/(	4+1) 
(15/5)  				
m=3						 
								
Plug value of  the slope  and point(-1,-4	) in	
Y 	=	m	x 	+	b			
-4.00=-3	+b				
b=-4-3					
b=-1							
So the equation  will be								
Y =3x-1			
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