Question 623653
  <pre><font face = "Tohoma" size = 3 color = "indigo"><b> 
Hi,  ·
How to graph the following:
y = -5    Horizontal Line (Green)
x = 1     Vertical Line (blue)
{{{drawing(300,300,   -6, 6, -6, 6,  blue(line(1,6,1,-6))  , grid(1),
graph( 300, 300, -6, 6, -6, 6,0,-5))}}}