Unit 2 springboard

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Across
  1. 3. A quadratic function written in the form f(x)=a(x-h)2 k
  2. 4. Unfavorable circumstance or condition
  3. 7. Adding a constant to a quadratic expression to transform it into a perfect square
  4. 9. Complex numbers whose product is a real number a bi and a-bi are complex conjugates
  5. 12. For a function f(x) any value x such that f(x)=0
  6. 13. Provides a more favorable position
  7. 14. Points with reference to which any of curves is constructed
  8. 16. symmetry The line that divides a parabola into two congruent halves
  9. 17. A method to determine a quadratic function that best fits a set of data
  10. 21. Equation with the form ax squared bx c=0
  11. 22. The fixed line which along with a fixed point called a focus
Down
  1. 1. To take a specified source
  2. 2. Disproves a statement or proposition
  3. 5. A solution of an equation
  4. 6. The expression b squared -4ac describes the nature of a solution of a quadratic equation
  5. 8. equation Set of points whose coordinates make the equations of the system true
  6. 10. The set of points in a plane that are equidistant from a fixed point
  7. 11. Proving or disproving the correctness of a system
  8. 15. A number in the form a bi
  9. 18. number A number of the form bi I= √1
  10. 19. Postulate or theorem which enables a conclusion to be drawn
  11. 20. The highest or lowest point value of a function