Algebra 1

Published by Prentice Hall
ISBN 10: 0133500403
ISBN 13: 978-0-13350-040-0

Chapter 10 - Radical Expressions and Equations - Concept Byte - Distance and Midpoint Formulas - Page 605: 4


d=10 M$(-1,1)$

Work Step by Step

$d=\sqrt {(x_2-x_1)^2+(y_2-y_1)^2}$ $d=\sqrt {(2-(-4))^2+(5-(-3))^2}$ $d=\sqrt {(6)^2+(8)^2}$ $d=\sqrt {36+64}$ $d=\sqrt {100}$ $d=10$ M$(\frac{x_1+x_2}{2},\frac{y_1+y_2}{2})$ M$(\frac{-4+2}{2},\frac{-3+5}{2})$ M$(\frac{-2}{2},\frac{2}{2})$ M$(-1,1)$
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