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Ellipse equation review

Review your knowledge of ellipse equations and their features: center, radii, and foci.

What is the standard equation of an ellipse?

start fraction, left parenthesis, x, minus, h, right parenthesis, squared, divided by, a, squared, end fraction, plus, start fraction, left parenthesis, y, minus, k, right parenthesis, squared, divided by, b, squared, end fraction, equals, 1
This is the standard equation of the ellipse centered at left parenthesis, h, comma, k, right parenthesis, whose horizontal radius is a and vertical radius is b.
Want to learn more about ellipse equation? Check out this video.

Check your understanding

Problem 1
Which ellipse is represented by the equation start fraction, left parenthesis, x, minus, 4, right parenthesis, squared, divided by, 9, end fraction, plus, start fraction, left parenthesis, y, plus, 6, right parenthesis, squared, divided by, 4, end fraction, equals, 1 ?
Choose 1 answer:
Choose 1 answer:

Want to try more problems like this? Check out this exercise.

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