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