## Algebra 1

Published by Prentice Hall

# Chapter 5 - Linear Functions - Mid-Chapter Quiz - Page 319: 20

#### Answer

$y=4(x-4)$

#### 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 $4$ for $x_1$, $0$ for $y_1$, and $4$ for $m$ to get the equation: $y-0=4(x-4)$ We simplify: $y=4(x-4)$

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