Precalculus (10th Edition)

Published by Pearson
ISBN 10: 0-32197-907-9
ISBN 13: 978-0-32197-907-0

Chapter 1 - Graphs - 1.1 The Distance and Midpoint Formulas - 1.1 Assess Your Understanding - Page 7: 27


$\sqrt {53}$ units

Work Step by Step

Use the formula $d(P_1,P_2)=\sqrt {(x_2-x_1)^2+(y_2-y_1)^2}$: $d((4,-3),(6,4)) \\=\sqrt {(6-4)^2+[4-(-3)]^2} \\=\sqrt {2^2+7^2} \\=\sqrt {4+49} \\=\sqrt {53}$
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