Elementary Geometry for College Students (7th Edition) Clone

Published by Cengage
ISBN 10: 978-1-337-61408-5
ISBN 13: 978-1-33761-408-5

Chapter 10 - Review Exercises - Page 494: 7

Answer

(-4,-8)

Work Step by Step

given mid point(2,1) point A(8,10) To find point B(x2,y2) M(xm,ym) = ($\frac{x1+x2}{2}$, $\frac{y1+y2}{2}$) (2,1) = ($\frac{8+x2}{2}$ , $\frac{10 + y2}{2}$) 2 = $\frac{8+x2}{2}$ , 1= $\frac{10+y2}{2}$ x2=4-8 , y2 =2-10 x2=-4, y2=-8 B = (-4,-8)
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