[tex] \bf ~~~~~~~~~~~~\textit{middle point of 2 points }
\\\\
(\stackrel{x_1}{-3}~,~\stackrel{y_1}{-6})\qquad
(\stackrel{x_2}{6}~,~\stackrel{y_2}{-2})
\qquad
\left(\cfrac{ x_2 + x_1}{2}~~~ ,~~~ \cfrac{ y_2 + y_1}{2} \right)
\\\\\\
\left( \cfrac{6-3}{2}~~,~~\cfrac{-2-6}{2} \right)\implies \left(\cfrac{3}{2}~~,~~\cfrac{-8}{2} \right)\implies \left(1\frac{1}{2}~,-4 \right) [/tex]
