Lily's Algebra Cross

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Across
  1. 3. used solving quadratic equations in the form "x² = b."
  2. 5. ax^2+bx+c=0
  3. 7. a point on the y-axis, through which the slope of the line passes
  4. 11. y=mx+b
  5. 12. x-values
  6. 14. switches the input and output values of the original equation
  7. 15. the vertical line that goes through the vertex of a parabola so the left and right sides of the parabola are symmetric
  8. 16. consisting of several terms
  9. 17. pairs inputs with outputs
  10. 19. an=a(r)^n-1
Down
  1. 1. the difference between the highest and lowest numbers in a set
  2. 2. the inverse of a function f is also a function if and only if no horizontal line intersects the graph of f more than once
  3. 4. an equation that has only one answer for y for every x
  4. 6. an=a+r(n-1)
  5. 8. an ordered list of numbers in which the common ratio between each pair of consecutive terms is the same
  6. 9. consisting of three terms
  7. 10. the point at the intersection of the parabola and its line of symmetry
  8. 13. consisting of one term
  9. 15. an ordered list of numbers in which the difference between each pair of consecutive terms, or numbers in the list is the same
  10. 18. consisting of two terms