Memorize

Card Set Information

Author:
vlopez1782
ID:
12338
Filename:
Memorize
Updated:
2010-04-06 10:56:11
Tags:
GMAT
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Description:
Squares, square roots, cubes, cube roots
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  1. |x +b| = c
    • -b is the centerpoint
    • x is exactly c units away from b
  2. |x + b| < c
    • -b is the centerpoint
    • x is less than c units away from the centerpoint, -b
  3. with fractions rx blank as x blank
    rx decreases as x increases
  4. sqrt(x) =
    |x|
  5. (a2 - b2 ) =
    (a + b)(a - b)
  6. (x + y)2 =
    x2 + 2xy + y2
  7. (x - y)2 =
    x2 - 2xy + y2
  8. (x + y)(x - y)=
    x2 - y2
  9. (n2 - 1)
    • = (n2 - 1)
    • = (n2 - 12 )
    • = (n + 1)(n - 1)
  10. n(n2 - 1)
    • = n(n2 -1)
    • = n(n2 -12 )
    • = n(n+1)(n-1)
    • = (n-1)n(n+1)
    • 3 consecutive integers
  11. Primes 11-20
    31, 37, 41, 43, 47, 53, 59, 61, 67, 71
  12. First 10 primes
    2, 3, 5, 7, 11, 13, 17, 19, 23, 29
  13. 12
    1
  14. 1.42
    ~2
  15. 1.72
    ~3
  16. 22
    4
  17. 2.252
    ~5
  18. 32
    9
  19. 42
    16
  20. 52
    25
  21. 62
    36
  22. 72
    49
  23. 82
    64
  24. 92
    81
  25. 102
    100
  26. 112
    121
  27. 122
    144
  28. 132
    169
  29. 142
    196
  30. 152
    225
  31. 162
    256
  32. 202
    400
  33. 252
    625
  34. 302
    900
  35. sqrt(900)
    30
  36. sqrt(625)
    25
  37. sqrt(400)
    20
  38. sqrt(256)
    16
  39. sqrt(225)
    15
  40. sqrt(196)
    14
  41. sqrt(169)
    13
  42. sqrt(144)
    12
  43. sqrt(121)
    11
  44. sqrt(100)
    10
  45. sqrt(81)
    9
  46. sqrt(64)
    8
  47. sqrt(49)
    7
  48. sqrt(36)
    6
  49. sqrt(25)
    5
  50. sqrt(16)
    4
  51. sqrt(9)
    3
  52. sqrt(4)
    2
  53. sqrt(5)
    ~2.25
  54. sqrt(3)
    ~1.7
  55. sqrt(2)
    ~1.4
  56. sqrt(1)
    1
  57. 13
    1
  58. 23
    8
  59. 33
    27
  60. 43
    64
  61. 53
    125
  62. cuberoot(125)
    5
  63. cuberoot(64)
    4
  64. cuberoot(27)
    3
  65. cuberoot(8)
    2
  66. cuberoot(1)
    1

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