Algebra 2 Common Core

Published by Prentice Hall
ISBN 10: 0133186024
ISBN 13: 978-0-13318-602-4

Chapter 2 - Functions, Equations, and Graphs - Chapter Review - Page 124: 27

Answer

Point-Slope Form: $y+1=5(x-1)$ Standard Form: $5x-y=6$

Work Step by Step

Using $y-y_1=m(x-x_1)$ or the Point-Slope Form of linear equations, the equation of the line with the given conditions, \begin{align*}\require{cancel} y_1&=-1 ,\\x_1&=1 ,\\m&=5 ,\end{align*} is \begin{align*}\require{cancel} y-(-1)&=5(x-1) &\text{or}& &y+1=5(x-1) \end{align*} In the form $Ax+By=C,$ the equation above is equivalent to \begin{align*} y+1&=5x-5 \\ -5x+y&=-5-1 \\ -5x+y&=-6 \\ -1(-5x+y)&=(-6)(-1) \\ 5x-y&=6 \end{align*}
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