Answer
(3,1)
Work Step by Step
Use the midpoint formula. Substitute the given values.
$M=(\frac{x_1+x_2}{2},\frac{y_1+y_2}{2})=(\frac{-1+7}{2},\frac{3+(-1)}{2})=(\frac{6}{2},\frac{2}{2})=(3,1)$
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 54: 11
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