Answer
$y=-\dfrac{5}{4}$
Work Step by Step
Using $y=mx+b$ or the Point-Slope Form of linear equations, the equation of the line with slope $m=
0
$ and $y-$intercept $b=
-\dfrac{5}{4}
$ is
\begin{array}{l}\require{cancel}
y=0x-\dfrac{5}{4}
\\\\
y=-\dfrac{5}{4}
.\end{array}