If you're seeing this message, it means we're having trouble loading external resources on our website.

If you're behind a web filter, please make sure that the domains ***.kastatic.org** and ***.kasandbox.org** are unblocked.

Main content

Learn

Practice

Graph a circle from its featuresGet 3 of 4 questions to level up!

Features of a circle from its graphGet 3 of 4 questions to level up!

Learn

Practice

Features of a circle from its standard equationGet 3 of 4 questions to level up!

Graph a circle from its standard equationGet 3 of 4 questions to level up!

Write standard equation of a circleGet 3 of 4 questions to level up!

Learn

Practice

Features of a circle from its expanded equationGet 3 of 4 questions to level up!

Graph a circle from its expanded equationGet 3 of 4 questions to level up!

Learn

Practice

Graph & features of ellipsesGet 3 of 4 questions to level up!

Center & radii of ellipses from equationGet 3 of 4 questions to level up!

Ellipse standard equation & graphGet 3 of 4 questions to level up!

Practice

Foci of an ellipse from radiiGet 3 of 4 questions to level up!

Foci of an ellipse from equationGet 3 of 4 questions to level up!

Equation of an ellipse from featuresGet 3 of 4 questions to level up!

Learn

Practice

Equation of a parabola from focus & directrixGet 3 of 4 questions to level up!

Up next for you:#### Unit test

Level up on all the skills in this unit and collect up to 1500 Mastery points!