Algebra II crossword puzzle

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Across
  1. 4. parallel to the ground.
  2. 6. the strength of a relationship between two data sets.
  3. 9. a mathematical phrase which contains one or more variables.
  4. 13. the common factor of each term of an expression that has the greatest coefficient and the greatest exponent.
  5. 15. the directions of a graph as you move away from the origin.
  6. 17. a statement that two algebraic expressions are related but not equal.
  7. 18. the numerical factor in a term.
  8. 19. determining the arithmetic value of an expression by substituting number values for the variables.
  9. 20. number the real numbers and the imaginary numbers.
Down
  1. 1. any number of the form a + bi, where a and be are real numbers, b is not equal to zero, and I is the square root of -1.
  2. 2. a relation in which each element in the domain corresponds with exactly one element in the range.
  3. 3. a polynomial function with the highest power being three.
  4. 5. the highest power found in a polynomial.
  5. 7. a polynomial of two terms.
  6. 8. a quantity value does not change.
  7. 10. the set of all inputs in a relation (usually X).
  8. 11. the output values in a function (usually y).
  9. 12. number pairs where the sign of the radicals or the imaginary numbers are opposites.
  10. 14. the input values of function (usually X).
  11. 16. a statement algebraic expressions are equal.