Math project

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Across
  1. 2. A line used to construct and define a conic section
  2. 3. Line that passes through the focus and vertex of the parabola
  3. 5. dem hyperbola lines
  4. 7. Degenerate case for circles and ellipses
  5. 9. Degenerate case for parabolas
  6. 11. Fixed distance between center and the set of points equidistant from it
  7. 12. A point about which rays reflected from the curve converge
  8. 13. any line lying on the cone
Down
  1. 1. A plane that intersects the vertex of the cone
  2. 4. The point halfway between the focus and the directrix of the parabola
  3. 6. The coordinates (0,0)
  4. 8. Degenerate case for hyperbolas
  5. 9. The chord that passes through the focus
  6. 10. Single U-shaped curve