Answer Key for Chapter 11 Test Review

1. plane

2. sphere

3. ellipsoid

4. Elliptic cone

5. Hyperboloid of one sheet

6. Hyperboloid of two sheets

7. elliptic cylinder

8. hyperbolic sheet

9. parabolic sheet

10. circular paraboloid

11. hyperbolic paraboloid

12 sphere

13. cone

14. plane

15. sphere

16. (3/Ö 2,-3/Ö 2,1)

17. ( -6,0,0)

18. r² = z

19. r = cos f /sin² f

20. x² + y² = 1

21. x = 1 + t, y = 2 + t, z = 3 + t

22. 8(x - 3) -2(y - 2)- 8(z-3) = 0

23. (x+3)/3 = (y - 5)/-2= z-4

24. z = 6

25. 5x + y + 5z = 9

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