Maths

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Across
  1. 3. the abscissa of all points on y axis is always
  2. 5. b^2-4ac
  3. 6. cannot be changed in equation
  4. 7. a peak in the curve
  5. 8. (0,0)are the co ordinates of
  6. 9. each of the number in list is called
  7. 10. ax^2+bx+c
Down
  1. 1. the fixed no is called as
  2. 2. x axix is also known as
  3. 4. list of no's in which each term is obtained by adding fixed no