algebra

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Across
  1. 3. A mathematical model that represents a real-life situation using an equation or graph.
  2. 4. A mathematical phrase which contains one or more variables.
  3. 5. A relation in which each element in the domain corresponds with exactly one element in the range.
Down
  1. 1. One of two or more numbers or expressions that, when multiplied together, produce a given result.
  2. 2. The coefficient of the term of highest degree in a polynomial.