Question 450918
x1		y1	x2	y2				
-2		7	-7	12				
								
slope m =(y2-y1)/(x2-x1)						
(12-7)/(	-7-(-2) 
(5/-5)  				
m=-1						 
								
Plug value of  the slope  and point (-2,7) in	
Y =mx+b			
7.00=2+b				
b=7-2					
b=5							
So the equation  will be								
Y =-1x+5			
m.ananth@hotmail.ca