Algebraic properties

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Across
  1. 3. determining the arithmetic value of an expression by substituting number values for the variables
  2. 5. a set of ordered pairs
  3. 7. the line that divides a figure into two parts that are mirror images
  4. 10. a statement that two algebraic expressions are equal
  5. 11. one of two or more numbers or expressions that when multiplied together produce a given result
  6. 13. the set of all inputs in a relation (usually x)
Down
  1. 1. the numerical factor in a term
  2. 2. a relation in which each element in the domain corresponds with exactly one element in the range
  3. 3. a mathematical phrase which contains one or more variables
  4. 4. a polynomial of one term
  5. 5. of change: a set of ordered pairs
  6. 6. a rectangular array of numbers written within brackets
  7. 8. a polynomial of two terms
  8. 9. flip of a graph across an axis or a line
  9. 12. the set of all outputs of a relation