## Intermediate Algebra (6th Edition)

$f(x)=-\frac{1}{2}x-8$
First, find the slope: $m=\frac{-5-(-9)}{-6-2}$ $m=\frac{4}{-8}$ $m=-\frac{1}{2}$ Use point-slope form: $y+9=-\frac{1}{2}(x-2)$ $y=-\frac{1}{2}x+1-9$ $f(x)=-\frac{1}{2}x-8$