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Sets, subsets, compliments
Sets, subsets, compliments
Sets, subsets, compliments
Sets, subsets, compliments
Sets, subsets, compliments
Sets, subsets, compliments
Sets, subsets, compliments
Sets, subsets, compliments
Sets, subsets, compliments
Sets, subsets, compliments
Sets, subsets, compliments
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Sets, subsets, compliments

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Transcript

  • 1. N- NaturalNumbers AllW- Whole Numbers E Numbers,Z= Integers R Real andR= Rational Imaginary ZNumbersE= Real Numbers Wi = Imaginary NNumbers i COPY and fill in the Circle Chart with the correct Terms
  • 2. • For any set (A) within Universal set (U), it is the set of elements of U that are not Elements of A • U stands for “Universal set” ; All numbers or elements possible • Pretty much, a compliment is the opposite, everything that is not in set A • U= {cats, birds, geckos, dog} • A= {birds} • Find A’
  • 3. •
  • 4. • Proper subsets are NOT equal sets • A proper subset of a set has some but not ALL of the elements of that set • Which are proper subsets of Q? Q= {1, 4, 7,13,14, 22} N= {1, 4 , 7, 14, 22} R= {1, 4, 7, 13, 14, 22} S= {7} T= { 22, 23}
  • 5. • The number of subsets you have depends on the number of combinations you can make with the elements • N – number of elementsThe number ofelements in a set • Formula;determines thenumber of subsets • Number of subsets = 2n Number of Elements 0 1 2 3 4 Number of sets 1= 20 2=21 4=22 8= 23 16= 24
  • 6. • Q= {1,2,3,} • Subsets • {}, {1}, {2}, {3}, {1,2}, {1,3}, {2,3}, {1,2,3} • 8 subsets • 23= 8Number of subsets
  • 7. • U= {5, 10, 15, 20, 25, 30} • T= {10, 20, 30} • Find T’= • T’= {5, 15, 25} • Find n(T’) • 23 = 8Number of subsets
  • 8. • Formula for Number of Proper Subsets •2n-1 • You have to take away the subset that has all the same elementsProper subsets- havesome but not ALL ofthe same elements ofa set
  • 9. • Q= {1,2,3,} • Subsets • {}, {1}, {2}, {3}, {1,2}, {1,3}, {2,3}, {1,2,3} • 8 subsets • Take away {1,2,3} • 7 subsetsNumber of propersubsets • 23-1= 7

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