Question 449452
y= - 3/7	x-1							
When x=	-7,y=2(	-7,2) 							
When x=	0,y=-1(0	,-1) 							
When x=	7,y=-4(7	,-4) 						
{{{drawing(300,300,-10,10,-10,10,circle(-7	,2,0.3),circle(0,-1,0.3),circle(7,-4,0.3),graph(300,300,-10,10,-10,10,y=-3x/7-1))}}}