Maths Crossword Puzzle

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Across
  1. 1. A polynomial of degree two.
  2. 3. The set of numbers including natural numbers, zero, and their negatives.
  3. 6. The smallest non-negative integer.
  4. 8. A pair of numbers used to locate a point in the plane.
  5. 11. A polynomial with only one term.
  6. 12. A number that cannot be expressed as a fraction; non-terminating, non-repeating decimal.
  7. 14. The horizontal axis in the Cartesian plane.
  8. 15. The point where the x-axis and y-axis intersect.
Down
  1. 2. The highest power of the variable in a polynomial.
  2. 4. The number in front of a variable in a term.
  3. 5. The square root of 2 is an example of this type of number.
  4. 7. An algebraic expression with one or more terms having variables raised to whole number powers.
  5. 9. The vertical axis in the Cartesian plane.
  6. 10. The plane formed by the intersection of the x-axis and y-axis.
  7. 13. Decimal expansion that terminates or repeats.