For Exercise, a.Write the equation of the ellipse in standard form. b. Identify the center, vertices, endpoints of the minor axis, and foci. 100x2 + 64y2 − 100x − 1575 = 0

College Algebra (MindTap Course List)
12th Edition
ISBN:9781305652231
Author:R. David Gustafson, Jeff Hughes
Publisher:R. David Gustafson, Jeff Hughes
Chapter7: Conic Sections And Quadratic Systems
Section7.CR: Chapter Review
Problem 15E
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For Exercise,

a.Write the equation of the ellipse in standard form.

b. Identify the center, vertices, endpoints of the minor axis, and foci.

100x2 + 64y2 − 100x − 1575 = 0

Expert Solution
Step 1

The general equation of the ellipse where major axis is along x-axis is
(x-h' (y-k)
=1,a>b where the center of the ellipse is (h,k), the vertices are
(a,0).(-a,0).(0,b) and (0,–b).
The general equation of the ellipse where major axis is along y-axis is
(x-h} (y-kỷ
= 1, a <b where the center of the ellipse is (h,k), the vertices are
(a,0).(-a,0).(0,b) and (0,–b).
Step 2

100x +64 y –100x –1575 =0
(10x) +64y - 2·10x·5+25 – 25–1575 =0
(10х -5)* + 64у -1600
+64y =1600
2
100| x--
Divide the equation by 1600:
100 x-
64y?
=1
1600
1600
х
2
42
52
steps

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