Question 1065393

The graph of that line is shown below.   The line is x=2 and the slope is undefined because for any two points you choose, x=2 resulting in x1-x2 = 0 in the slope calculation m = (y1-y2)/(x1-x2).   

{{{
 drawing( 300, 300, -10, 10, -10, 10,
  grid( 1 ),
  green(line( 2, -10, 2, 10 ))
)
}}}