Question 672257
  <pre><font face = "Tohoma" size = 3 color = "indigo"><b> 
Hi,
3x-3y=-3  Green  |||Points (0,1) and (-1,0) on this Line - Plot, connect with Line
3x+3y=-12  Blue  |||Points (0,-4) and (-4,0) on this Line - Plot, connect with Line
{{{drawing(300,300,   -6, 6, -6, 6,   grid(1),
circle(0, 1,0.3),
circle(-1, 0,0.3),
circle(0, -4,0.3),
circle(-4, 0,0.3),
graph( 300, 300, -6, 6, -6, 6,0, x+1, -x -4))}}}