9. Foci: (0, ±3) 10. Foci: (+8, 0) Eccentricity: 0.5 Eccentricity: 0.2 11. Vertices: (0, ±70) 12. Vertices: (+10, 0) Eccentricity: 0.1 Eccentricity: 0.24

Algebra & Trigonometry with Analytic Geometry
13th Edition
ISBN:9781133382119
Author:Swokowski
Publisher:Swokowski
Chapter11: Topics From Analytic Geometry
Section: Chapter Questions
Problem 7RE
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Exercises 9–12 give the foci or vertices and the eccentricities of ellipses centered at the origin of the xy-plane. In each case, find the ellipse’s standard-form equation in Cartesian coordinates

9. Foci: (0, ±3)
10. Foci: (+8, 0)
Eccentricity: 0.5
Eccentricity: 0.2
11. Vertices: (0, ±70)
12. Vertices: (+10, 0)
Eccentricity: 0.1
Eccentricity: 0.24
Transcribed Image Text:9. Foci: (0, ±3) 10. Foci: (+8, 0) Eccentricity: 0.5 Eccentricity: 0.2 11. Vertices: (0, ±70) 12. Vertices: (+10, 0) Eccentricity: 0.1 Eccentricity: 0.24
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