13. Focus: (√5,0) Directrix: x = 9 V5

Algebra & Trigonometry with Analytic Geometry
13th Edition
ISBN:9781133382119
Author:Swokowski
Publisher:Swokowski
Chapter11: Topics From Analytic Geometry
Section11.2: Ellipses
Problem 31E
icon
Related questions
Question
100%
Number 13. Find equation using eccentricity
Exercises 13-16 give foci and corresponding directrices of ellipses
centered at the origin of the xy-plane. In each case, use the dimensions
in Figure 11.47 to find the eccentricity of the ellipse. Then find the
ellipse's standard-form equation in Cartesian coordinates.
13. Focus: (√5,0)
14. Focus: (4,0)
Directrix:
X =
9
V√5
Directrix:
X =
16
3
Transcribed Image Text:Exercises 13-16 give foci and corresponding directrices of ellipses centered at the origin of the xy-plane. In each case, use the dimensions in Figure 11.47 to find the eccentricity of the ellipse. Then find the ellipse's standard-form equation in Cartesian coordinates. 13. Focus: (√5,0) 14. Focus: (4,0) Directrix: X = 9 V√5 Directrix: X = 16 3
Expert Solution
steps

Step by step

Solved in 4 steps with 12 images

Blurred answer
Recommended textbooks for you
Algebra & Trigonometry with Analytic Geometry
Algebra & Trigonometry with Analytic Geometry
Algebra
ISBN:
9781133382119
Author:
Swokowski
Publisher:
Cengage
College Algebra
College Algebra
Algebra
ISBN:
9781337282291
Author:
Ron Larson
Publisher:
Cengage Learning
College Algebra (MindTap Course List)
College Algebra (MindTap Course List)
Algebra
ISBN:
9781305652231
Author:
R. David Gustafson, Jeff Hughes
Publisher:
Cengage Learning
Trigonometry (MindTap Course List)
Trigonometry (MindTap Course List)
Trigonometry
ISBN:
9781337278461
Author:
Ron Larson
Publisher:
Cengage Learning
College Algebra
College Algebra
Algebra
ISBN:
9781305115545
Author:
James Stewart, Lothar Redlin, Saleem Watson
Publisher:
Cengage Learning