Question 429133
  <pre><font face = "Tohoma" size = 4 color = "indigo"><b>
Hi
Midpoint Pt(x,y):  ( {{{(x[1] + x[2])/2}}}, {{{(y[1] + y[2])/2  )}}})
( -8 + x)/2 = -3
    -8+x = -6
       x = 2

(3+y)/2 = 10
   3+y = 20
     y = 17
Other endpoint Q is (2,17)
{{{drawing(300,300, -25,25,-25,25, grid(1),
circle(-8, 3,0.4),
circle(-3, 10,0.6),
circle(2, 17,0.4),
line(-8,3,2,17),
graph( 300, 300, -25,25,-25,25))}}}