Algebra Crossword Puzzle

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Across
  1. 4. a number that shows repeated multiplication
  2. 6. a number, variable, or the product or quotient of a number and one or more variables
  3. 11. a variable that provides the output values of a function
  4. 13. all possible input values for a function
  5. 14. a number that is either rational or irrational
  6. 15. a variable that provides the input values of a function
  7. 16. an equation that states that two ratios are equal
  8. 18. a polynomial of three terms
  9. 19. the point at which the axes of the coordinate plane intersect
  10. 20. u-shaped curve that represents a quadratic function
Down
  1. 1. a value that does not change
  2. 2. the numerical factor when a term has a variable
  3. 3. a number pattern
  4. 5. PEMDAS
  5. 7. the data items that occurs the greatest number of times in a data set
  6. 8. the sum of the numbers divided by the number of items
  7. 9. a comparison of two numbers by division
  8. 10. the middle value in an ordered set of numbers
  9. 12. a^2 + b^2 = c^2
  10. 17. a symbol, usually a letter, that represents one or more numbers