algebra review

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Across
  1. 2. the fact or condition of functioning or being active
  2. 7. a quantity that may change within the context of a mathematical problem
  3. 8. a value or values which, when substituted for a variable in a equation
  4. 10. a numerical or constant quantity placed before and multiplying the variable in an algebraic expression
  5. 12. when two or more numbers are added or multiplied, the results remains the same
  6. 13. organize into different components that are easier to maintain and work with
  7. 14. the set off all possible inputs for the function
Down
  1. 1. the amount of space that a substance or object occupies
  2. 3. calculating a value using operands and a math operator
  3. 4. an algebraic expression of the sum or the difference of two terms
  4. 5. is the ratio of the rise to the run, or rise divided by the run
  5. 6. occurring continuously over a period of time
  6. 7. a special point of a mathematical object and is usually a location where two or more lines or edges meet
  7. 9. an established principle or proposition
  8. 11. a statement that the values of two mathematical expressions are equal