Maths crossword puzzle

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Across
  1. 3. a line intersecting more than two lines
  2. 4. polynomial of degree 2
  3. 6. a number which has a non terminating and non reccuring decimal representation
  4. 8. h²= p²+b²
  5. 9. the coordinate axes divide the plane into four parts which are called _____
  6. 10. name of y axis
Down
  1. 1. a equation of degree 1
  2. 2. name of x axis
  3. 5. whose sum is 180*
  4. 7. angle less than 90*