Question 472463
  <pre><font face = "Tohoma" size = 4 color = "indigo"><b> 
Hi,
x = 3 Blue Line 
Lines such as these are vertical lines, parallel to the y-axis.
These vertical lines do NOT intersect the y-axis.
Have NO y-intercept
{{{drawing(300,300,   -6, 6, -6, 6,  blue(line(3,6,3,-6))  , grid(1),
graph( 300, 300, -6, 6, -6, 6))}}}