Answer
x-intercepts: $x=-3,3$
y-interceptL y=-9$
Work Step by Step
To find the x-intercept, plug in 0 for y then solve for $x$:
$0=x^{2}-9$
$0=(x+3)(x-3)$
$x=3 ,-3$
To find the y-intercept, plug in 0 for x then solve for $y$:
$y=0^{2}-9$
$y=-9$
