Across
- 2. Difference using a₂ − a₁ for 7, 12, 17, …
- 3. Remainder using f(1) for x³−1
- 4. Positive solution of x²=9
- 6. 6th term using aₙ = a₁rⁿ⁻¹ for 2, 4, 8, …
- 8. Ratio using a₂ ÷ a₁ for 2, 6, 18, …
- 11. Number of terms in 3x²−5x+1
- 13. One factor of x²−7x+10
- 15. −b/2a for y=x²−4x+1
- 16. Value of f(1) for x³−2x+1
- 17. One factor of x³−4x²−x+4
- 20. Highest power term in 4x³ − 2x + 7
- 24. Arithmetic mean of 10 and 20
- 26. Solution of 2x−8=0
- 28. Exponent if 3xⁿ+1 is linear
- 29. Common ratio if aₙ₊₁=3aₙ
- 30. Value of f(0) for 3x³+2x−8
- 32. Exponent in axⁿ+bx+c if quadratic
- 33. Arithmetic mean of 8 and 14
- 35. Term with x² in 5x²−7x+9
- 37. Harmonic mean of 4 and 12
Down
- 1. −b/2a for y=x²+2x−3
- 5. Geometric mean of 4 and 16
- 7. 4th term using aₙ = a₁rⁿ⁻¹ for 3, 6, 12, …
- 9. Value of f(2) for f(x)=x²−3x+1
- 10. Number of real solutions of x²=−1
- 12. Ratio using a₂ ÷ a₁ for 5, 15, 45, …
- 13. Remainder using f(1) for x²−4x+3
- 14. Value of f(0) for x²−6x+9
- 17. Value of f(1) for x²−2x+1
- 18. Term with x³ in −3x³+5x−1
- 19. Axis of symmetry of y=x²−6x+5
- 21. Harmonic mean of 6 and 3
- 22. 5th term using aₙ = a₁ + (n−1)d for 2, 5, 8, …
- 23. Values making (x−p) a factor of x²−5x+6
- 25. 10th term using aₙ = a₁ + (n−1)d for 1, 4, 7, …
- 26. Highest power term in x⁴ − x² + 1
- 27. Value of f(−1) for x²+2x+1
- 31. Arithmetic mean of 4 and 10
- 34. Value of f(0) for 2x²−x+4
- 36. Maximum solutions of ax²+bx+c=0