Quadratic Crossword Puzzle

1234567891011121314151617181920
Across
  1. 5. An intercept on the horizontal axis
  2. 7. An axis that is used to mirror a line
  3. 10. Highest point on a graph
  4. 11. To the second power
  5. 13. Can be 2, 3, or 4 terms
  6. 14. A large formation used to find perfect squares
  7. 15. y = a(x - h)^2 + k
  8. 16. A single point
  9. 17. Lowest point on a graph
  10. 18. x + y = 1
  11. 20. Starts with -B
Down
  1. 1. The equation inside of the radical of the quadratic formula
  2. 2. A form of y = ax^2 + bx + c
  3. 3. An equation using the quadratic formula
  4. 4. A curve found using the quadratic equation
  5. 6. A perfect square using the quadratic equation
  6. 8. Written in the form of a + bi
  7. 9. y = ax^2 + bx + c
  8. 12. A box of numbers used to make a graph
  9. 19. A method of multiplication for binomials