Precalculus: Concepts Through Functions, A Unit Circle Approach to Trigonometry (3rd Edition)

Published by Pearson
ISBN 10: 0-32193-104-1
ISBN 13: 978-0-32193-104-7

Chapter 3 - Polynomial and Rational Functions - Cumulative Review - Page 270: 1

Answer

$\sqrt {26}$

Work Step by Step

Use the distance formula, we have $d_{PQ}=\sqrt {(-4-1)^+(2-3)^2}=\sqrt {26}$
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