Answer
$(0,\pm3)$.
Work Step by Step
1. To find the x-intercept(s), let $y=0$, we have $9+4x^2=0$, there is no real solution to this equation.
2. To find the y-intercept(s), let $x=0$, we have $y^2=9$, thus we get: $y=\pm3$ or $(0,\pm3)$.
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