math 990 test 1

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Author:
punkrammerock
ID:
194828
Filename:
math 990 test 1
Updated:
2013-01-23 21:13:48
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math 990 test
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math 990 test 1
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  1. Natural Numbers
    • the numbers you use when you count 
    • 1,2,3,4,5 etc
  2. Whole Numbers
    all the natural numbers and 0
  3. Prime number
    • whole # divisible only divisible by 1 and itself
    • 2,3,5,7,11 etc
  4. Integer
    • whole number with a sign
    • -3,-2,-1,0,1,2,3
  5. Real Numbers
    • Every number on the number line
    • including decimals
  6. Commutative
    • 2+3=3+2
    • 2*3=3*2
  7. Associative
    • (2+3)+4=2+(3+4)
    • (2*3)*4=2*(3*4)
  8. Identity
    • 5+0 =5
    • 5*1=5
  9. Inverse
    • -5+5=0
    • -5*-1/5=1
    • 3/2*2/3=1
  10. Distributive
    • 2(x+3)=2(x)+2(3)=2x+6
    • -3(x-5)=-3*x-(-3*5)=-3x+15
  11. like terms
    same variable to the same powers seperated by + or -

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