Number Puzzle

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123456789101112131415161718192021222324252627282930313233343536
Across
  1. 4. Find the leading coefficient multiplied by 1000: 8x⁵ − 4x + 7
  2. 6. Find the y-coordinate of the midpoint of (0,2600) and (0,7518)
  3. 9. Find the x-coordinate of the midpoint of (2200,0) and (7846,0)
  4. 10. Solve for x: x² − 652864 = 0 (positive root)
  5. 12. Find the 40th term of the arithmetic sequence: 20, 40, 60, …
  6. 14. Find the circumference of a circle with radius 1400 (π = 22/7)
  7. 16. Find the radius if the diameter is 9640
  8. 19. Find the common ratio multiplied by 1000: 5, 25, 125
  9. 21. Find the reciprocal of 0.000398 written as a whole number
  10. 23. Solve for x: x² − 1010025 = 0 (positive root)
  11. 25. Find the area of a circle with radius 350 (π = 22/7)
  12. 28. Find the geometric mean of 2500 and 4624
  13. 29. Find the sum of the first 100 terms of the sequence: 6, 12, 18, …
  14. 32. Find the maximum number of turning points multiplied by 1000 for a degree-5 polynomial
  15. 33. Find the 9th term of the geometric sequence multiplied by 10: 3, 6, 12, …
  16. 35. Solve for x: 8x + 1600 = 5696
  17. 36. Find the value of 144 × 32
Down
  1. 1. Find the maximum number of real roots multiplied by 1000 of a degree-7 polynomial
  2. 2. Find the value of f(x) = x² + 10x + 25 when x = 75
  3. 3. Find the sum of the first 110 natural numbers
  4. 5. Find the value of x² when x = 85
  5. 7. Find the 600th term of the arithmetic sequence: 9, 14, 19, …
  6. 8. Find the x-intercept of y = 6x − 4812
  7. 11. Find the degree multiplied by 1000: 3x⁶ − 5x + 1
  8. 12. Find the value of 92²
  9. 13. Find the value of x multiplied by 1000: 10x = 350127
  10. 15. Find the sum of the first 7 terms of the geometric sequence: 2, 4, 8, …
  11. 17. Find the distance between (0,0) and (1200,1600)
  12. 18. Find the cube of 28 multiplied by 10
  13. 20. Find the common ratio multiplied by 1000: 6, 18, 54
  14. 22. Find the 500th term of the arithmetic sequence: 7, 11, 15, …
  15. 24. Find the y-intercept of y = −7x + 9137
  16. 26. Find the product of the roots multiplied by 1000: x² − 13x + 40 = 0
  17. 27. Find the next term multiplied by 1000: 4, 9, 16, 25
  18. 29. Find the slope multiplied by 1000 of the line through (3,9) and (7,21)
  19. 30. Find the arithmetic mean of 1800 and 4448
  20. 31. Find the value of 46³ divided by 10
  21. 34. Find the sum of the roots multiplied by 1000: x² − 8x + 15 = 0