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# Finding the Focus & Directrix of a Parabola

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### Finding the Focus & Directrix of a Parabola

1. 1. Finding the Focus & Directrix of a Parabola<br />Melody Cariaga<br />Diana Delgado<br />AilaFeliciano<br />Angelica Pontejos<br />
2. 2. What is a parabola?<br />A parabola is the set of points in the plane equally distant from a fixed line and a fixed point not on the line.<br />
3. 3. Formula<br />
4. 4. Parabola with vertex at (0,0)<br />
5. 5.
6. 6. Problem no.1<br />
7. 7. Problem no.1<br />
8. 8. Problem no.1<br />
9. 9. Problem no.1<br />
10. 10. Problem no.1<br />
11. 11. Problem no.1<br />
12. 12. REMEMBER!<br />If the y is being squared, then p corresponds to the x-coordinate of the focus.<br />If the x is being squared, then p corresponds to the y-coordinate of the focus.<br />
13. 13. Problem no.1<br />
14. 14. Problem no. 2<br />
15. 15. Problem no. 2<br />
16. 16. Problem no. 2<br />
17. 17. Problem no. 2<br />
18. 18. Problem no. 2<br />
19. 19. Problem no. 2<br />
20. 20. Problem no. 2<br />
21. 21. Problem no. 2<br />y<br />
22. 22. Parabola with vertex at (h,k)<br />
23. 23.
24. 24. Problem no.1<br />
25. 25. Problem no.1<br />
26. 26. Problem no.1<br />
27. 27. Problem no.1<br />
28. 28. Problem no.1<br />
29. 29. Problem no.1<br />
30. 30. Problem no.1<br />y<br />