Question 622788
  <pre><font face = "Tohoma" size = 3 color = "indigo"><b> 
Hi,
line which passes through (2, 1) and is perpendicular to x = –2. 
x = -2 is a vertical line, 
therefore we are looking for a horizontal line...
horizontal lines have a slope of {{{0}}} ,   {{{ y = 1}}} is the line we are looking for
{{{drawing(300,300,   -6, 6, -6, 6,  blue(line(-2,6,-2,-6))  , grid(1),
circle(2,1,.2),
graph( 300, 300, -6, 6, -6, 6,0,1))}}}