[tex] \bf ~~~~~~~~~~~~\textit{middle point of 2 points }
\\\\
(\stackrel{x_1}{2}~,~\stackrel{y_1}{2})\qquad
(\stackrel{x_2}{-2}~,~\stackrel{y_2}{-1})
\qquad
\left(\cfrac{ x_2 + x_1}{2}~~~ ,~~~ \cfrac{ y_2 + y_1}{2} \right)
\\\\\\
\left( \cfrac{-2+2}{2}~~,~~\cfrac{-1+2}{2} \right)\implies \left(\cfrac{0}{2}~~,~~\cfrac{1}{2} \right)\implies \left(0~,~\frac{1}{2} \right) [/tex]
