Question 390067
   <pre><font size = 3 color = "indigo"><b>
Hi,        
equation of vertical line through Pt(-7,-4) is x = -7
{{{drawing(300,300,-10,10,-10,10,blue(line(-7,10,-7,-10)),grid(1),circle(-7, -4,0.3),graph(300,300,-10,10,-10,10, 0))}}}