Answer
Refer to the image below for the graph.
Work Step by Step
RECALL:
The graph of the equation $x=k$ is a vertical line.
Every point on the line has the same x-value.
Thus, to graph $x=0$, you can plot the points (0, 3), (0, -3), and (0, 0), and then you can connect them using a line.
(Refer to the image in the answer part above.)
