Question 1052370
R(P, 6) and 
S(-4, k) 
M(3,4)  Midpoint Pt(x,y):  ( {{{(x[1] + x[2])/2}}}, {{{(y[1] + y[2])/2  )}}})
(p + (-4))/2 = 3
p - 4 = 6
p = 10
|
(6+k)/2 = 4
6 + k = 8
k = 2