Precalculus (6th Edition)

Published by Pearson
ISBN 10: 013421742X
ISBN 13: 978-0-13421-742-0

Chapter 2 - Graphs and Functions - Chapter 2 Test Prep - Review Exercises - Page 296: 2

Answer

$\sqrt {202}$, $(-\frac{5}{2},-\frac{5}{2})$

Work Step by Step

Step 1. Given $M(-8,2), N(3,-7)$, the distance between the points is $d(M,N)=\sqrt {(-8-3)^2+(2-(-7))^2}=\sqrt {202}$ Step 2. The coordinates of the midpoint can be found as $(\frac{-8+3}{2},\frac{2-7}{2})$ or $(\frac{-5}{2},\frac{-5}{2})$
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