Gracie's Puzzle

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Across
  1. 3. The bottom number of a fraction
  2. 7. A point on the Y axis through which the slope of a line passes
  3. 11. Scaled by a scale factor less in absolute value than one
  4. 13. A number or expression that divides another number or expression evenly
  5. 16. 1/3n^2+15n+18+n-2/n^2+5n+6=1/3n+6
  6. 17. A number or letter that is multiplied by a variable of a single term or terms of a polynomial
  7. 18. The common endpoint of the sides of an angle
  8. 19. A value/line that continually approaches a given line but doesn't ever meet it
  9. 20. What is created when the numerator and denominator of a rational function have a common factor and cancel out?
Down
  1. 1. The top number of a fraction
  2. 2. The top is directly above the bottom, up and down
  3. 4. 1/n^2=1/n+3/n^2
  4. 5. A flip of a mirror image of points
  5. 6. 2/x-5=1-1/x-5
  6. 8. 1/5=6m+30/5m-1/m
  7. 9. Parallel to to the plane of the horizon
  8. 10. Moving every point the same direction and distance
  9. 12. Set of outputs in a function
  10. 14. A figure either being enlarged or narrowed in one direction
  11. 15. Set of inputs in a function