Properties of Real Numbers

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Author:
Anonymous
ID:
56080
Filename:
Properties of Real Numbers
Updated:
2010-12-14 21:45:43
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Lesson
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Description:
lesson 1-8
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  1. a + b = b + a
    3 + 7 = 7 + 3
    Commutative Property of Addition
  2. a * b = b * a
    3 * 7 = 7 * 3
    Commutative Property of Multiplication
  3. (a + b) + c = a + (b + c)
    (6 + 4) + 5 = 6 + (4 + 5)
    Associative Property of Addition
  4. (ab)c = a(bc)
    (6*4)5 = 6(4*5)
    Associative Property of Multiplication
  5. a + (-a) = 0
    5 + (-5) = 0
    Inverse Property of Addition
  6. a + 0 = a
    7 + 0 = 7
    Identity Property of Addition
  7. a * 1 = a
    7 * 1 = 7
    Identity Property of Multiplication
  8. a (1/a) = 1
    5 (1/5) = 1
    Inverse Property of Multiplication
  9. a(b + c) = ab + ac
    5(4 - 2) = (5 * 4) - (5 * 2)
    Distributive Property
  10. n * 0 = 0
    -5 * 0 = 0
    Multiplication Property of Zero
  11. n * -1 = -n
    -4 * -1 = 4
    Multiplication Property of -1

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