math crossword

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Across
  1. 2. Not a number
  2. 5. Undefined slope
  3. 6. Slope=0
  4. 10. y=mx+b
  5. 13. (y-y) (x-x)
  6. 14. the set of all x-values
  7. 19. Slope
  8. 20. ax^2 + bx + c
Down
  1. 1. range
  2. 3. set of orders pair
  3. 4. Lines will cross
  4. 7. pair (x,y)
  5. 8. high point
  6. 9. there is alot
  7. 11. Stright lines never cross
  8. 12. x-value is pair with 1 y-value
  9. 15. endpoint of the graph
  10. 16. a way to represent order pair
  11. 17. low point
  12. 18. Domain
  13. 19. the set of all y-values