Odd One Out

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Across
  1. 3. event / outcome / sample space / median
  2. 5. linear / affine / direct / quadratic
  3. 10. slope / gradient / y-intercept / parabola
  4. 12. slope / y-intercept / domain / asymptote
  5. 14. increasing / decreasing / constant / undefined
  6. 15. vector / scalar / coordinates / matrix
  7. 16. probability / outcome / event / frequency
  8. 18. perpendicular / parallel / collinear / symmetric
  9. 19. parallel / collinear / aligned / perpendicular
Down
  1. 1. square / absolute value / inverse / sine
  2. 2. slope / gradient / rate of change / intercept
  3. 3. slope / y-intercept / gradient / maximum
  4. 4. translation / vector / midpoint / rotation
  5. 6. square / absolute value / square root / cube
  6. 7. union / intersection / complement / probability
  7. 8. increasing / decreasing / constant / negative
  8. 9. area / perimeter / distance / volume
  9. 11. complementary / mutually exclusive / exhaustive / mean
  10. 13. vector / direction / magnitude / scalar
  11. 17. rational / integer / real / complex