rational problems crossword

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Across
  1. 4. A line on a graph that curves but never reaches the x or y axis
  2. 5. a+3/a^2+6a=1/a+a-1/a^2+6a
  3. 8. Straight, going left to right
  4. 12. 1/n^2=1/n+3/n^2
  5. 13. when two lines cross
  6. 14. happens when constant is less than 1
  7. 15. to draw out points on a graph
  8. 18. number multiplied by a variable
  9. 20. when a negative constant flips a graph over an axis
Down
  1. 1. set of x values
  2. 2. happens when constant is greater than 1
  3. 3. number on the bottom of a fraction
  4. 6. number on the top of a fraction
  5. 7. number multiplied by a variable
  6. 9. set of y values
  7. 10. 1/m^2+4m-1/m=4/m^2+4m
  8. 11. 1/3n^2+15n+18+n-2/n^2+5n+6=1/3n+6
  9. 16. all fractions, integers, and whole numbers
  10. 17. straight, going up to down
  11. 19. the peak/ highest point of a line
  12. 21. possible number of division