Practice and Applications

  1. 5. x =  − 1.3 ,  y = 5.2 ;  x = 1.1 ,  y = 3.9

  2. 7. x = 2.0 ,  y = 0.0 ;  x = 1.6 ,  y = 0.6

  3. 9. x =  − 0.7 ,  y = 1.4 ;  x = 0.7 ,  y = 1.4

  4. 11. x =  − 2 ,  y = 7 ;  x = 2 ,  y = 7

  5. 13. x = 0.0 ,  y = 0.0 ;  x = 3.3 ,  y = 4.3

  6. 15. x = 0 ,  y = 0 ;  x = 2 ,  y = 16

  7. 17. L = 3 ,  R = 1 ;  L =  − 3 ,  R = 1

  8. 19.

    u = 112 (1 + 97) ,  v = 118 (5 − 97) ; u = 112 (1 − 97) ,  v = 118 (5 + 97)

  9. 21.

    x = 7 ,  y = 5 ;  x = 7 ,  y =  − 5 ;  x =  − 7 ,  y = 5 ; x =  − 7 ,  y =  − 5

  10. 23. x =  − 2 ,  y = 2 ;  x = 23 ,  y = 109

  11. 25.  − 4 ,   − 2 ,  2 ,  4

  12. 27. 1, 16

  13. 29. 13 ,   − 17

  14. 31. 1, 1.65

  15. 33.  − 32 ,  2

  16. 35. 14 ,  49

  17. 37. 3 ,   − 3 , 12j3 ,   − 12j3

  18. 39. 6

  19. 41. 8

  20. 43. 916

  21. 45. 13 (11 − 415)

  22. 47. 2

  23. 49. 4

  24. 51. 5

  25. 53.  − 1 ,  2

  26. 55. x = a + 1 ,  y =  ...

Get Basic Technical Mathematics, 11th Edition now with O’Reilly online learning.

O’Reilly members experience live online training, plus books, videos, and digital content from 200+ publishers.