Thinking Mathematically (6th Edition)

Published by Pearson
ISBN 10: 0321867327
ISBN 13: 978-0-32186-732-2

Chapter 7 - Algebra: Graphs, Functions, and Linear Systems - Chapter 7 Test - Page 484: 7

Answer

The slope of the provided line passing through the provided points is 3.

Work Step by Step

Since, the slope of two points\[\left( {{x}_{1}},{{y}_{1}} \right)\], and \[\left( {{x}_{2}},{{y}_{2}} \right)\]is: \[m=\left( \frac{{{y}_{2}}-{{y}_{1}}}{{{x}_{2}}-{{x}_{1}}} \right)\] Given points are\[\left( -3,4 \right)\], and\[\left( -5,-2 \right)\]. Therefore, \[\begin{align} & m=\left( \frac{{{y}_{2}}-{{y}_{1}}}{{{x}_{2}}-{{x}_{1}}} \right) \\ & =\left( \frac{-2-4}{-5+3} \right) \\ & =\left( \frac{-6}{-2} \right) \\ & =3 \end{align}\] Therefore, the slope of given points is 3.
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