1.2 Key Terms Crossword

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Across
  1. 2. The set of numbers that includes all rational and irrational numbers.
  2. 3. The __________ of set A is denoted like A'.
  3. 5. A collection of objects.
  4. 7. Set A is a _________ of set B if every element in A is also in B.
  5. 8. The number of elements in a set.
  6. 9. The __________ set contains all elements being considered.
  7. 10. The set of numbers that can be written as (2k+1) or (2k-1), not divisible by 2.
  8. 11. The set of numbers that includes {..., -2, -1, 0, 1, 2,...}
  9. 14. Type of notation that uses greater than or less than symbols.
  10. 15. Type of notation written with parenthesis or brackets.
Down
  1. 1. The set of numbers also known as counting numbers that includes {0, 1, 2,...}
  2. 2. The set of numbers that includes anything that can be written as a fraction.
  3. 4. A member of a set.
  4. 6. The __________ set is a set with no elements.
  5. 7. Type of notation that gives the most information - like the number set, the inequality, and the variable.
  6. 12. Type of notation that is a visual representation of a set of numbers.
  7. 13. The set of numbers that can be written as 2k, or divisible by 2.