Real Number System

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Across
  1. 5. is statements relating algebraic expressions using < or > or ≤ or ≥, ≠
  2. 11. a special notation that uses parentheses ( ) and/or brackets [ ] to describe an interval on a number line.
  3. 14. are either a single number or variable, or numbers and variables multiplied together and they are separated by + or − signs.
  4. 16. Polynomial It is customary to write the terms of a polynomial in the order of descending powers of the variable.
  5. 17. is an equation with no solution.
  6. 18. Solution Set = empty set = ∅ empty set, "{ }," or ∅ or "phi"
  7. 19. is any number divided by 0 because dividing by zero is undefined.
  8. 20. is a portion on a number line or what is between two points or values.
  9. 21. is an angle that measures 180.
  10. 22. 2 terms, For example, 2x+1
  11. 23. are two angles whose measure has a sum of 180.
  12. 24. is a statement that two ratios are equal. Example (a/b)=(c/d).
Down
  1. 1. is the set of all solutions of an equation. { }
  2. 2. angles are two angles whose measure has a sum of 90.
  3. 3. that have exactly the same solution sets. For example, 2x=10 → x=5
  4. 4. is an equation in which variables are used to describe a relationship.
  5. 6. is an equation that is true for all values of the variable.
  6. 7. angles are an angle that measures 90.
  7. 8. is a comparison of two quantities using a quotient (a/b) or (a:b) or (a to b)
  8. 9. can have constants, variables, and exponents, but never division by a variable.
  9. 10. is an equation that is true for some values of the variable and false for others.
  10. 12. are angles formed by intersecting lines and they have the same measures.
  11. 13. 3 terms, For example, 2x+y+1
  12. 15. 1 term, For example, 2
  13. 17. are two integers that differ by 1.