Algebra terms

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Across
  1. 3. a U shape on the graph
  2. 6. infinite amount
  3. 7. expression with minimum of 1 variable
  4. 10. non-imaginary numbers
  5. 11. where the line crosses the y intercept
  6. 13. a number that can be multiplied by itself to reach its of value
  7. 14. distance of a value is zero
  8. 15. the complete set of all possible input values.
Down
  1. 1. numbers that can be represented
  2. 2. both the number that represents the steep and direction
  3. 4. 2 or more terms
  4. 5. algebraic terms that contain the same exact variable
  5. 8. a fundamental building block
  6. 9. operations that undo each other
  7. 12. Term with no variables