Answer
The slope and y-intercept of the equation $2y-8=0$ are 0 and 4.
Work Step by Step
Consider the given equation of the line:
$2y-8=0$
Compare the given equation with the general slope-intercept form:
$y=mx+c$
Slope $=0$
The y-intercept will be:
$\begin{align}
& 2y=8 \\
& y=\frac{8}{2} \\
& y=4.
\end{align}$