Solutions
Solutions to Try Its
1. Focus: ; Directrix: ; Endpoints of the latus rectum:
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Solutions to Odd-Numbered Exercises
1. A parabola is the set of points in the plane that lie equidistant from a fixed point, the focus, and a fixed line, the directrix. 3. The graph will open down. 5. The distance between the focus and directrix will increase. 7. yes 9. yes 11. 13. 15. 17. 19. 21. 23. 25. 27. 29. 31.
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