Question

Find the midpoint, M, of AB. A=(-3,-1) B(-7,-7) M = (x1+x2, 1+2) M=([?],

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Answer 1

`~~~~~~~~~~~~\textit{middle point of 2 points } \\\\ A(\stackrel{x_1}{-3}~,~\stackrel{y_1}{-1})\qquad B(\stackrel{x_2}{-7}~,~\stackrel{y_2}{-7}) \qquad \left(\cfrac{ x_2 + x_1}{2}~~~ ,~~~ \cfrac{ y_2 + y_1}{2} \right) \\\\\\ \left(\cfrac{ -7 -3}{2}~~~ ,~~~ \cfrac{ -7 -1}{2} \right) \implies \left(\cfrac{ -10 }{2}~~~ ,~~~ \cfrac{ -8 }{2} \right)\implies (-5~~,~-4)`