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Across
  1. 4. General quadratic equation
  2. 5. Value of -b/2a for y=x^2-4x+1
  3. 8. Common ratio of 2,6,18
  4. 10. Highest power term in 4x^3-2x+7
  5. 13. Equation formed from 2x-8=0
  6. 14. Value of f(-1) for x^2+2x+1
  7. 16. Sixth term of the GP 2,4,8
  8. 19. Factored form of x^2-7x+10
  9. 20. Positive solution of x^2=9
  10. 23. Value of f(1) for x^3-2x+1
  11. 26. Linear form of 3x^n+1
  12. 27. Value of -b/2a for y=x^2+2x-3
  13. 30. Factored form of x^3-4x^2-x+4
  14. 33. Value of f(2) for x^2-3x+1
  15. 35. Geometric mean of 4 and 16
  16. 36. Difference using a2-a1 for 7,12,17
  17. 37. Arithmetic mean of 8 and 14
  18. 39. Value of f(1) for x^3-1
  19. 40. Evaluation of f(0) for 3x^3+2x-8
Down
  1. 1. Value of f(0) for x^2-6x+9
  2. 2. Term with x^2 in 5x^2-7x+9
  3. 3. Factored form of x^2-5x+6
  4. 6. Tenth term of the AP 1,4,7
  5. 7. Equation with no real solution
  6. 9. Fifth term of the AP 2,5,8
  7. 11. Polynomial used to count number of terms
  8. 12. Quadratic general form
  9. 15. Harmonic mean of 6 and 3
  10. 17. Recursive formula with ratio 3
  11. 18. Remainder using f(1) for x^2-4x+3
  12. 21. Fourth term of the GP 3,6,12
  13. 22. Polynomial with highest power x^4
  14. 24. Value of f(0) for 2x^2-x+4
  15. 25. Harmonic mean of 4 and 12
  16. 28. Axis of symmetry formula
  17. 29. Arithmetic mean of 10 and 20
  18. 31. Common ratio of 5,15,45
  19. 32. Arithmetic mean of 4 and 10
  20. 34. Term with x^3 in -3x^3+5x-1
  21. 38. Value of f(1) for x^2-2x+1