Explore the relationship between radii and foci of an ellipse and learn how to find foci from its equation through this educational video.

Sal explains how the radii and the foci of an ellipse relate to each other, and how we can use this relationship in order to find the foci from the equation of an ellipse. Created by Sal Khan.

Given the major and minor radii of an ellipse, find its foci. 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, …

Given the major and minor radii of an ellipse, find its foci. Skip to main content If you're seeing this message, it means we're having trouble loading external resources on our website.

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

Review all the features of an ellipse: center, vertices, co-vertices, major radius, minor radius, and foci.

Foci of an ellipse from equation - Khan Academy

Find the asymptote's slopes (+/- b/a) and graph both slopes centered at the origin. The equations of the slopes would be y=+/-(b/a)x. Then we would want to perform a rigid transformation so it …

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Кан Академия - bg.khanacademy.org