10. 25x2 - 9y2 = 144           11. x2 + y2 = 225           12. x2 + 3y2 = 3

Algebra & Trigonometry with Analytic Geometry
13th Edition
ISBN:9781133382119
Author:Swokowski
Publisher:Swokowski
Chapter3: Functions And Graphs
Section: Chapter Questions
Problem 32RE
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Question

Classify the conic section of each equation.  Explain how you made your decision.

 

10. 25x2 - 9y2 = 144

 

 

 

 

 

11. x2 + y2 = 225

 

 

 

 

 

12. x2 + 3y2 = 3

 

 

 

 

 

13. 4x2 + 3x = y2 + 2y + 7

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