An ellipse has its foci at (−1, 0) and (7, 0), and eccentricity 0.4.Find the (lengths of the) semi-major and semi-minor axes, the location of the directrices, and the equation of the ellipse. 12.An ellipse has its foci at (-1,0) and (7,0), and eccentricity 0.4.Find the (lengths of the) semi-major and semi-minor axes, the location of the directrices, and theequation of the ellipse.

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Answered: An ellipse has its foci at (−1, 0) and…

An ellipse has its foci at (−1, 0) and (7, 0), and eccentricity 0.4. Find the (lengths of the) semi-major and semi-minor axes, the location of the directrices, and the equation of the ellipse.

College Algebra

7th Edition

ISBN:9781305115545

Author:James Stewart, Lothar Redlin, Saleem Watson

Publisher:James Stewart, Lothar Redlin, Saleem Watson

Chapter7: Conic Sections

Section7.2: Ellipses

Problem 64E

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Question

An ellipse has its foci at (−1, 0) and (7, 0), and eccentricity 0.4.
Find the (lengths of the) semi-major and semi-minor axes, the location of the directrices, and the equation of the ellipse.

12.
An ellipse has its foci at (-1,0) and (7,0), and eccentricity 0.4.
Find the (lengths of the) semi-major and semi-minor axes, the location of the directrices, and the
equation of the ellipse.

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