[tex]\bf \textit{middle point of 2 points }\\ \quad \\
\begin{array}{lllll}
&x_1&y_1&x_2&y_2\\
% (a,b)
V&({{ -2}}\quad ,&{{ -6}})\quad
% (c,d)
W&({{ \stackrel{\stackrel{x+2}{-2+2}}{0}}}\quad ,&{{ \stackrel{\stackrel{y+3}{-6+3}}{-3}}})
\end{array}\quad
% coordinates of midpoint
\left(\cfrac{{{ x_2}} + {{ x_1}}}{2}\quad ,\quad \cfrac{{{ y_2}} + {{ y_1}}}{2} \right)
\\\\\\
\left( \cfrac{0-2}{2}~,~\cfrac{-3-6}{2} \right)[/tex]
