Maths Grammer

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Across
  1. 2. If the discriminant is smaller than zero then there are two different _____ roots.
  2. 5. If the discriminant is bigger than zero then there are two different _____ roots.
  3. 6. A relation between from set A to set B is called ________.
  4. 9. If the discriminant is equal to zero then there are two _____ roots.
  5. 11. polygon with six sides.
Down
  1. 1. A set of elements that are taken without regard to the order in which the elements are arranged.
  2. 3. Graph of the quadratic function.
  3. 4. The square root of -1.
  4. 7. If each line segment whose endpoints are in polygon does not have any intersection point with the polygon.
  5. 8. polygon where the sum of its interior angles is 540
  6. 10. The lowest or the highest point of the curve in parabole.