Answer
D
Work Step by Step
Use the midpoint formula:
$M_x=\frac{x_1+x_2}{2}=\frac{14+4}{2}=\frac{18}{2}=9$
$M_y=\frac{y_1+y_2}{2}=\frac{12+(-8)}{2}=\frac{4}{2}=2$
$M(9,2)$
Geometry: Common Core (15th Edition)
by Charles, Randall I.
Published by
Prentice Hall
ISBN 10:
0133281159
ISBN 13:
978-0-13328-115-6
Chapter 1 - Tools of Geometry - 1-7 Midpoint and Distance in the Coordinate Plane - Practice and Problem-Solving Exercises - Page 56: 62
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