Answer
Refer to the graph below:
Work Step by Step
The graph of an equation of the form $y=k$ is a horizontal line whose y-intercept is $(0, k)$.
Each point on the line has a y-coordinate of $k$.
Thus, the graph of $y=-15$ is a horizontal line whose y-intercept is $(0, -15)$.
Each point on the line has a y-coordinate of $-15$.
This means that the following points are all on the line:
$(-2, -15)$, $(0, -15)$, and $(2, -15)$
Plot the three points listed above then connect them using a line to complete the
graph. (refer to the attached image in the answer part above for the graph)
