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: 1


$d=13$ M$(5,\frac{1}{2})$

Work Step by Step

$d=\sqrt {(x_2-x_1)^2+(y_2-y_1)^2}$ $d=\sqrt {(11-(-1))^2+(-2-3)^2}$ $d=\sqrt {(12)^2+(-5)^2}$ $d=\sqrt {144+25}$ $d=\sqrt {169}$ $d=13$ M$(\frac{x_1+x_2}{2},\frac{y_1+y_2}{2})$ M$(\frac{-1+11}{2},\frac{3+(-2)}{2})$ M$(\frac{10}{2},\frac{1}{2})$ M$(5,\frac{1}{2})$
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