Answer
See graph and explanations.
Work Step by Step
Step 1. Rewrite the equation as
$\frac{x^2}{9}+\frac{y^2}{4}=1$
We have
$a=3, b=2, c=\sqrt {9-4}=\sqrt {5}$
Step 2. See graph; we can locate the foci at $(\pm\sqrt {5},0)$
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