Transforma a ecuaciones polares las siguientes expresiones:

1. y = – 3 21. x y2 2 4 1 9 1− −( ) =
2. x = 5 22. (x2 + y2 – x)2 = x2 + y2
3. y = 3x 23. xy = – 4
4. 2x – 3y = 6 24. 4 4 2 22 2 2 2x y x y− = +
5. y = – x + 2 25. xy x y2 2 3 2 1 +( ) =
6. x cos w + y sen w – p = 0 26. x2y – 2x2 – 16y = 0
7. x2 + y2 = 16 27. y2 = 12x
8. x2 + y2 + 4x = 0 28. 4x – 3y + 12 = 0
9. x2 + y2 – 2y = 0 29. x2 – 4y2 = 16
10. x2 + y2 – 4x – 6y – 12 = 0 30. x2 + 4y – 8 = 0
11. y2 = – 8x 31. (x2 + y2 + 3y)2 = 4x2 + 4y2
12. y2 – 12x – 36 = 0 32. 4x2 +9y2 = 36
13. x y xy2 2 3 2 2+( ) =
33. x2 + y2 – 2x – 8 = 0
14. x2 – 2x – 4y – 3 = 0 34. 3x2 + 4y2 – 6x – 9 = 0
15. 9x2 + 4y2 = 36 35. 4y2 – 5x2 – 8y – 6 = 0
16. 16x2 + 25y2 = 400 36. x2 – 5y +15 = 0
17. 9x2 – 72y + 25y2 – 81 = 0 37. 3y2 + 4x – 2y = 0
18. x y2 2 9 2 4 1+ +( ) =
38. x2 + 3xy – y2 = 4
19. x2 – y2 = 9 39. y = x3 – 2x2
20. 16x2 – 9y2 = 144 40. y = 3 2 1 x x − −