Math Puzzle

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Across
  1. 3. alternative way to solve quadratic equation
  2. 6. √ this symbol is a ?
  3. 7. what is this formula "y=mx+c"
  4. 8. How do you solve this equation "a^m : a^n"?
  5. 9. when a^0=
  6. 10. What term did Samuel Jeake introduced in 1696
  7. 15. we can use ..... to solve length of a line segment
  8. 17. who is the founder of quadratic equation?
  9. 18. who is the founder of indices?
  10. 19. ">" this symbols means?
  11. 20. "<" this symbols means?
Down
  1. 1. How do you solve this equation "a^m x a^n "?
  2. 2. what is the formula used for solving quadratic equation?
  3. 4. what formula found in 1594 bye Simon Stevin?
  4. 5. who is the founder of graph of function?
  5. 11. René Descartes introduced what in the 17h century?
  6. 12. who is the founder of coordinate geometry?
  7. 13. alternative way to solve quadratic equation
  8. 14. who is the founder of linear inequalities?
  9. 16. What is this formula "y = x3" for?