Trigonometry 7th Edition

Published by Cengage Learning
ISBN 10: 1111826854
ISBN 13: 978-1-11182-685-7

Chapter 1 - Section 1.2 - The Rectangular Coordinate System - 1.2 Problem Set - Page 23: 7


distance $ = \sqrt{ (x_{2} - x_{1})^{2} + (y_{2} - y_{1})^{2} }$

Work Step by Step

The equation and derivation for the distance between points formula is found on the bottom half of page $18$. The example uses the points $(x_{1}$ , $y_{1})$ and $(x_{2}$ , $y_{2})$ to produce the formula $ = \sqrt{ (x_{2} - x_{1})^{2} + (y_{2} - y_{1})^{2} }$, which is the answer to our question.
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