Math Puzzle

12345678910111213141516171819
Across
  1. 3. what formula found in 1594 bye Simon Stevin?
  2. 5. who is the founder of graph of function?
  3. 6. alternative way to solve quadratic equation
  4. 7. what is this formula "y=mx+c"
  5. 12. √ this symbol is a ?
  6. 14. What is this formula "y = x3" for?
  7. 15. who is the founder of indices?
  8. 16. when a^0=
  9. 18. who is the founder of quadratic equation?
  10. 19. How do you solve this equation "a^m : a^n"?
Down
  1. 1. What term did Samuel Jeake introduced in 1696
  2. 2. alternative way to solve quadratic equation
  3. 4. who is the founder of linear inequalities?
  4. 8. we can use ..... to solve length of a line segment
  5. 9. René Descartes introduced what in the 17h century?
  6. 10. How do you solve this equation "a^m x a^n "?
  7. 11. ">" this symbols means?
  8. 12. who is the founder of coordinate geometry?
  9. 13. what is the formula used for solving quadratic equation?
  10. 17. "<" this symbols means?