[tex]\bf ~~~~~~~~~~~~\textit{middle point of 2 points }
\\\\
J(\stackrel{x_1}{-5}~,~\stackrel{y_1}{4})\qquad
K(\stackrel{x_2}{7}~,~\stackrel{y_2}{-10})
\qquad
\left(\cfrac{ x_2 + x_1}{2}~~~ ,~~~ \cfrac{ y_2 + y_1}{2} \right)
\\\\\\
\left( \cfrac{7-5}{2}~~,~~\cfrac{-10+4}{2} \right)\implies \left( \cfrac{2}{2}~~,~~\cfrac{-6}{2}\right)\implies (1,-3)[/tex]
