Module 7 Crossword Puzzle

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Across
  1. 5. a number that can be expressed exactly by a ratio of two integers
  2. 6. the source or origin of a thing
  3. 7. a positive integer or zero
  4. 9. a number usually expressed in the form a/b
  5. 10. Mathematics. an expression or a proposition, often algebraic, asserting the equality of two quantities
  6. 13. the theorem that the square of the hypotenuse of a right triangle is equal to the sum of the squares of the other two sides
  7. 15. Mathematics. a theoretical proposition, statement, or formula embodying something to be proved from other propositions or formulas
  8. 18. capable of being varied or changed; alterable
  9. 20. a rational number or the limit of a sequence of rational numbers, as opposed to a complex number
Down
  1. 1. the development at length of an expression indicated in a contracted form
  2. 2. of or going to the root or origin; fundamental
  3. 3. a quantity of which a given quantity is the square
  4. 4. a number that cannot be exactly expressed as a ratio of two integers
  5. 8. The decimal expansion of a number is its representation in base
  6. 11. Also called counting number. one of the positive integers or zero; any of the numbers
  7. 12. (of a variable) having values determined by one or more independent variables
  8. 14. the quality or power of expressing an attitude, emotion
  9. 16. pertaining to tenths or to the number 10
  10. 17. a quantity of which a given quantity is the cube
  11. 19. Mathematics. one of the positive or negative numbers