Math Crossword: Conics and Functions

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Across
  1. 1. The inverse operation of exponentiation.
  2. 4. A trigonometric function that relates the length of the opposite side to the hypotenuse in a right triangle.
  3. 9. A function which takes the same value for f(x) no matter what x is.
  4. 11. A function where the highest power of the variable is three.
  5. 13. The values of x that make a quadratic equation equal to zero.
  6. 14. A function where the variable is in the exponent.
  7. 15. The part of the quadratic formula that tells us the number of solutions to a quadratic equation.
  8. 16. A trigonometric function that relates the length of the opposite side to the adjacent side in a right triangle.
  9. 18. A line that a curve approaches but never quite reaches.
  10. 19. A function that includes a squared term as its highest power.
  11. 21. An expression consisting of variables and coefficients, involving addition, subtraction, and multiplication.
  12. 22. A conic section with two branches that are mirror images of each other.
  13. 23. A relation between a set of inputs having one output each.
Down
  1. 1. A function that has either one or two variables without exponents.
  2. 2. A function that is the ratio of two polynomial functions where the denominator polynomial is not equal to zero.
  3. 3. The point where a parabola changes direction.
  4. 5. A function which can reverse into another function.
  5. 6. A line used in defining the shape of a parabola.
  6. 7. A closed curve with two foci and a major and minor axis.
  7. 8. One of the two fixed points that determine an ellipse or hyperbola.
  8. 9. A trigonometric function that relates the length of the adjacent side to the hypotenuse in a right triangle.
  9. 10. A curve formed by slicing a cone at a specific angle.
  10. 12. A U-shaped curve formed by intersecting a plane with a cone.
  11. 17. The set of all possible output values for a function.
  12. 20. The set of all possible input values for a function.