The Maze of Algebra

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Across
  1. 2. Mirroring both sides
  2. 4. Crossing over the y or x axis
  3. 6. The smallest quantity
  4. 7. What grows in the ground?
  5. 9. What comes before the variable?
  6. 11. The greatest quantity
  7. 12. A u-shaped line on a graph
  8. 15. △ = 0
  9. 17. y = a ( x- h ) 2 + k
  10. 19. ax^2 + bx + c
Down
  1. 1. What's the shape of a parabola?
  2. 3. Has three non-zero terms
  3. 4. Its symbol is ( i )
  4. 5. △ > 0
  5. 8. None of something
  6. 10. What goes within the square root symbol?
  7. 13. 144 = 12
  8. 14. Where two line segments meet
  9. 16. Its symbol is ( Ø )
  10. 18. First, Outer, Inner, Last