properties and sets
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Created by:
lovetodance9897 on September 15, 2011
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15 terms
Terms | Definitions |
|---|---|
 commutative property of addition | a+b=b+a |
| commutative property of multiplication | ab=ba |
| associative property of addition | a+(b+c)=(a+b)+c |
| associative property of multiplication | a(bc)=(ab)c |
| distributive | a(b+c)=ab+ac |
| multiplicitave inverse | a --> 1/a (reciprocal) |
| additive inverse | a --> -a |
| multiplicitive identity | 1 ex: 3•1=3 |
| additive identity | 0 ex: 3•0=0 |
| universe | all the elements in the given problem |
| set | a collection of elements from the universe use these { } |
| intersection | upside down U elements in common |
| union | U includes all elements from each set NO REPEATS IN # ORDER! |
| complement | ("not") elements from the universe that are not in the set |
| THE END | ALL DONE!! |
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