Answer
See image
Work Step by Step
$\left[\begin{array}{ll}
\text{x-intercepts:} & \text{y-intercepts:}\\
0^{2}=x^{2}-9 & y=0-9\\
9=x^{2} & y=-9\\
x=\pm 3 & \\
(-3,0),(3,0) & (0,-9)\\
&
\end{array}\right]$
Additional points: $\left[\begin{array}{ll}
x & y\\
2 & -5\\
-2 & -5
\end{array}\right]$