Answer
See graph
Work Step by Step
$y=x^2-3$
This is not a linear equation; this is a parabola.
Substitute x-values to find their corresponding y-values.
$y=(0)^2-3$
$y=-3$
$(0,-3)$
$y=(1)^2-3$
$y=-2$
$(1,-2)$
$y=(-1)^2-3$
$y=-2$
$(-1,-2)$
Plot these points and connect with a smooth curve.