   Chapter 10.1, Problem 20E ### Elementary Geometry for College St...

6th Edition
Daniel C. Alexander + 1 other
ISBN: 9781285195698

#### Solutions

Chapter
Section ### Elementary Geometry for College St...

6th Edition
Daniel C. Alexander + 1 other
ISBN: 9781285195698
Textbook Problem
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# In Exercises 20 to 22, apply the Midpoint Formula.M 3 , - 4 is the midpoint of A B - , in which A is the point - 5 ,   7 . Find the coordinates of B.

To determine

To find:

The coordinates of B using midpoint formula where M 3,-4 is the midpoint of  AB-, in which A is the point -5, 7.

Explanation

The coordinates of A is (-5, 7).

The coordinates of B is (x2, y2).

Midpoint of the points A and B is M 3,-4.

Determining coordinates of B using midpoint formula,

xm,ym=x1+x22,y1+y22

xm,ym are the midpoints.

x1, y1=(-5, 7)

xm,ym=(3,-4)

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