Halloween and Quadratic Graphs

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Across
  1. 1. x=b/2a calculates the axis of _______________
  2. 4. x-intercepts
  3. 7. when to go out on this holiday
  4. 9. next month
  5. 11. color associated with this holiday
  6. 14. y=x-squared is the ___________ function of the family
  7. 16. last day of October
  8. 18. month
  9. 19. _______ Skellington
  10. 21. a second degree equation is called this
  11. 22. Michael Meyers wears this
  12. 23. treat
Down
  1. 2. the lowest y-value in a graph
  2. 3. sucks blood
  3. 5. a symmetrical u-shaped curve
  4. 6. what you wear
  5. 8. when the 'a' value is positive the graph opens _______
  6. 10. flying mammal
  7. 12. Scream star
  8. 13. scary
  9. 15. when the x-value is zero you are at the y-______
  10. 17. the vertex when a quadratic graph opens downward
  11. 20. before you carve the jack-o-lantern