Algebra crossword

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Across
  1. 5. terms with exactly the same variable factors in a variable expression
  2. 7. a mathematical phrase that contains operations, numbers, and or variables
  3. 9. polynomial function with one or more variables
  4. 10. The magnitude`of a real number without regard to its sign
  5. 12. a quantity that does not vary
  6. 13. the numerical factor when a term has a variable
Down
  1. 1. the set of numbers 1,2,3,4...also called counting numbers.
  2. 2. two numbers that are the same distance from zero on a number line, but in two opposite directions
  3. 3. whole numbers and their opposites
  4. 4. numbers numbers that cannot be expressed in the form a/b where a and b are integers
  5. 6. an example that shows a conjecture is false
  6. 8. a mathematical sentence with an equal sign
  7. 11. substituting a given number for each variable
  8. 14. a statement that compares two quantities using greater than, less than, greater than or equal to, less than or equal to