Question 420019
(3,7) and (3,5)

slope m =		(y2-y1)/(x2-x1)					
m= 0					
							
Plug value of one point and the slope in -(4,5	)
Y 	=	m	x 	+	b		
5	=	0	+	b			
b=	5						
							
So the equation  will be							
Y = 	5