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 F - Foundations: A Prelude to Functions - Section F.1 The Distance and Midpoint Formulas - F.1 Assess Your Understanding: 10

Answer

Midpoint.

Work Step by Step

As d(P,Q) is equal to d(Q,R) and the points lie on the same line, Q is the middle of that line and therefore is the midpoint of the line segment.
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