Maths Grammer

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Across
  1. 1. A relation between from set A to set B is called ________.
  2. 4. polygon where the sum of it's interior angles is 540
  3. 5. If the discriminant is equal to zero then there are two _____ roots.
  4. 7. If the discriminant is smaller than zero then there are two different _____ roots.
  5. 9. polygon with six sides.
  6. 10. If the discriminant is bigger than zero then there are two different _____ roots.
Down
  1. 2. The square root of -1.
  2. 3. The lowest or the highest point of the curve in parabole.
  3. 6. If each line segment whose endpoints are in polygon does not have any intersection point with the polygon.
  4. 8. Graph of the quadratic function.