Answer
$y+2=0$
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 passing through $(
-4,-2
)$ and with a slope of $m=
0
$ is
\begin{array}{l}\require{cancel}
y-(-2)=0(x-(-4))
\\\\
y+2=0(x+4)
\\\\
y+2=0
.\end{array}