Ife's math Crossword

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Across
  1. 2. (2 wds) (?,0)
  2. 4. possible x-values
  3. 5. middle
  4. 7. possible y-values
  5. 10. 1, 2.3, 7/5,49
  6. 11. x^4+56x^3+42x^2+x+67
  7. 12. (2 wds) (0,?)
  8. 13. Highest point
  9. 15. (2 wds) distance from 0
  10. 17. y=ax^2+bx+c
  11. 18. y=a(x-h)^2+k
  12. 20. i,e,2.345678901234678
  13. 21. most
Down
  1. 1. (2 wds) y=a(b)^x
  2. 3. a value that doesn’t change
  3. 6. (3 wds) x=-b/2a
  4. 8. (2 wds) r=-0.987
  5. 9. a set of numbers that follow a pattern
  6. 14. average
  7. 16. y=mx+b
  8. 19. Lowest point