Answer
The vertical asymptote is the line $x=0$
The horizontal asymptote is the line $y=0$
Work Step by Step
Given: $\frac{-10}{x}$
$x=0$
The vertical asymptote is the line $x=0$
The horizontal asymptote is the line $y=0$
Make a list of values:
$x=-10 \rightarrow y=1$
$x=-1 \rightarrow y=10$
$x=1\rightarrow y=10$
$x=10 \rightarrow y=-1$