Question 375452
  <pre><font size = 3 color = "indigo"><b>
Hi,
parabola passing through the points: (0,5) and (20,5)?
x-coordinate of the vertex would be 10
{{{drawing(300,300,-30,30,-30,30,blue(line(10,30,10,-30)),grid(1),circle(0, 5,0.8),circle(20, 5,0.8),graph(300,300,-30,30,-30,30))}}}