Write the equation in point slope form given (-1, -2), perpendicular to y = -3x + 3

Write the equation in point slope form given (-1, -2), perpendicular to y = -3x + 3
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Dana Simmons
We have a given point $\left({x}_{1},{y}_{1}\right)=\left(-1,-2\right)$ and the line is suppose to contain this point with a slope $m=-\frac{1}{-3}=\frac{1}{3}$
point slope form: $\left(y-{y}_{1}\right)=m\left(x-{x}_{1}\right)$
$y--2=\frac{1}{3}\left(x--1\right)$