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 - Page 7: 42


M = $(0.45,1.7)$

Work Step by Step

The coordinates (x, y) of the midpoint M are $x = \frac{x_1+x_2}{2} = \frac{1.2+-0.3}{2} = 0.45$ $y = \frac{y_1+y_2}{2} = \frac{2.3+1.1}{2} = 1.7$ That is, M = $(0.45,1.7)$
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