Precalculus (6th Edition) Blitzer

Published by Pearson
ISBN 10: 0-13446-914-3
ISBN 13: 978-0-13446-914-0

Chapter 1 - Section 1.9 - Distance and Midpoint Formulas; Circles - Concept and Vocabulary Check: 1

Answer

$\sqrt{(x_1-x_2)^2+(y_1-y_2)^2}$

Work Step by Step

RECALL: The distance $d$ between two points is given by the formula: $d=\sqrt{(x_1-x_2)^2+(y_1-y_2)^2},$ where $(x_1, y_1)$ and $(x_2, y_2)$ are the coordinates of the two points. Thus, the missing expression in the given statement is: $\sqrt{(x_1-x_2)^2+(y_1-y_2)^2}.$
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