Answer
See graph and explanations.
Work Step by Step
Step 1. Given the equation $\frac{x^2}{25}+\frac{y^2}{4}=1$ for an ellipse, we have $a=5,b=4,c=\sqrt {a^2-b^2}=3$ with a horizontal major axis, center at $(0,0)$, and foci at $(\pm3,0)$
Step 2. We can graph the equation as shown in the figure.
