no pointsofinflectionno signchangex=0&x=1(1/2,-5/4)x=0noinflectionpointsx=2/3x=1,5x=-3x=π/2&x= 3π/2x=0&x=±√3(1, e)(0,1)x=3&x=5x=πx=-7/4(-1,-1)&(1,-1)(2,+∞)x=-4&x=2(−1/2,+∞)noinflectionpointsno pointsofinflectionx=-1,1/2x=0x=π/3&x=πno pointsofinflectionno signchangex=0&x=1(1/2,-5/4)x=0noinflectionpointsx=2/3x=1,5x=-3x=π/2&x= 3π/2x=0&x=±√3(1, e)(0,1)x=3&x=5x=πx=-7/4(-1,-1)&(1,-1)(2,+∞)x=-4&x=2(−1/2,+∞)noinflectionpointsno pointsofinflectionx=-1,1/2x=0x=π/3&x=π

Concavity Bingo - Call List

(Print) Use this randomly generated list as your call list when playing the game. There is no need to say the BINGO column name. Place some kind of mark (like an X, a checkmark, a dot, tally mark, etc) on each cell as you announce it, to keep track. You can also cut out each item, place them in a bag and pull words from the bag.


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  1. no points of inflection
  2. no sign change
  3. x=0 & x=1
  4. (1/2, -5/4)
  5. x=0
  6. no inflection points
  7. x=2/3
  8. x=1,5
  9. x=-3
  10. x=π/2 & x= 3π/2
  11. x=0 & x=±√3
  12. (1, e)
  13. (0,1)
  14. x=3 & x=5
  15. x=π
  16. x=-7/4
  17. (-1,-1) & (1,-1)
  18. (2, +∞)
  19. x=-4 & x=2
  20. (−1/2,+∞)
  21. no inflection points
  22. no points of inflection
  23. x=-1, 1/2
  24. x=0 x=π/3 & x=π