Sein's Crossword

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Across
  1. 4. straight line
  2. 6. input
  3. 8. the minimum or maximum point
  4. 11. a number between -1 and +1 (2 words)
  5. 12. vertical axis (2 words)
  6. 13. pretty
  7. 14. horizontal axis (2 words)
  8. 16. a letter that represents an unknown number
  9. 18. non negative value of x without regarding to its sign
  10. 19. it represents the relationship between 2 values with dots (2 words)
Down
  1. 1. a data predicts the value of unknown data by using known value (2 words)
  2. 2. multiplication by itself (2 words)
  3. 3. 0,0
  4. 5. two equal integers (2 words)
  5. 7. x = -b/2a (3words)
  6. 9. output
  7. 10. symbol
  8. 15. lack of equality
  9. 17. ugly
  10. 20. pie