Find the midpoint of the line segment whose endpoints are given.
-$( - 9 , - 9 ) , ( 2,1 )$
A) $( - 11 , - 10 )$
B) $( - 7 , - 8 )$
C) $\left( - \frac { 7 } { 2 } , - 4 \right)$
D) $\left( - \frac { 11 } { 2 } , - 5 \right)$

Question

Quizplus · Accepted Answer

The midpoint of a line segment with endpoints $(x_1, y_1)$ and $(x_2, y_2)$ is given by $\left( \frac{x_1 + x_2}{2}, \frac{y_1 + y_2}{2} \right)$. For the given points $(-9, -9)$ and $(2, 1)$, the midpoint is $\left( \frac{-9 + 2}{2}, \frac{-9 + 1}{2} \right) = \left( -\frac{7}{2}, -4 \right)$.

Find the Midpoint of the Line Segment Whose Endpoints Are (−9,−9),(2,1)( - 9 , - 9 ) , ( 2,1 )(−9,−9),(2,1)

Find the Midpoint of the Line Segment Whose Endpoints Are $( - 9 , - 9 ) , ( 2,1 )$