Algebra 1

Published by Prentice Hall
ISBN 10: 0133500403
ISBN 13: 978-0-13350-040-0

Chapter 5 - Linear Functions - Mid-Chapter Quiz: 19

Answer

$y+2=-\frac{1}{2}(x-2)$

Work Step by Step

The point-slope form of an equation of a non-vertical line with slope $m$ and through point $(x_1,y_1)$ is $y-y_1=m(x-x_1)$. We plug in $2$ for $x_1$, $-2$ for $y_1$, and $-\frac{1}{2}$ for $m$ to get the equation: $y-(-2)=-\frac{1}{2}(x-2)$ We simplify: $y+2=-\frac{1}{2}(x-2)$
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