## Trigonometry 7th Edition

Published by Cengage Learning

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

#### Answer

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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