Question 168580
(0,1) (-2,-6)
slope=(y2-y1)(x2-x1)
slope=(-6-1)/-2-0)
slope=-7/-2 or 7/2 
1=7/2*0+b
1=b
y=7x/2+1 ans. for the line equation.
{{{ graph( 300, 200, -6, 5, -10, 10, 7x/2 +1) }}} (graph 300x200 pixels, x from -6 to 5, y from -10 to 10, 7x/2 +1).