Algebra 1: Common Core (15th Edition)

Published by Prentice Hall
ISBN 10: 0133281140
ISBN 13: 978-0-13328-114-9

Chapter 5 - Linear Functions - Mid-Chapter Quiz: 22

Answer

$y-10=5(x-2)$

Work Step by Step

We first find the slope. The equation for slope is: $ \frac{y_{2}-y_{1}}{x_{2}-x_{1}}$. Thus, we obtain: $\frac{10-(-5)}{2-(-1)}=\frac{15}{3}=5$ Recall, the equation for point slope form is the following: $y- y_{1}=m(x - x_{1})$, where $(x_{1} , y_{1})$ is a point on the line and m is the slope of the line. Thus, we plug 2 in for $x_{1}$, 10 in for $y_{1}$, and 5 in for m to obtain the answer: $y-10=5(x-2)$
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