# Circles and Ellipses: Which equation models the graph?

Please view the attachment below to match up the correct equation with the graph.

Â© BrainMass Inc. brainmass.com March 4, 2021, 5:42 pm ad1c9bdddfhttps://brainmass.com/math/graphs-and-functions/circles-ellipses-equation-models-graph-7228

#### Solution Preview

The answer is the first one, x^2/16+y^2/4=1

The way to see this is the following.

The graph is an ellipse centered at (0,0).

So the equation is ...

#### Solution Summary

The equation of a circle or ellipse is found by looking at a graph.

$2.19