CHRISTMAS!

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Across
  1. 4. the set of all first element (x-values) of their ordered pairs of the relation.
  2. 5. the part of the interior of a circle bounded by the circle with a chord.
  3. 6. the part of the interior of a circle bounded by two radii and an arc between them.
  4. 8. a relation in which each value of the independent variables (X) corresponds to exactly one value of the dependent variable (Y).
  5. 9. the set of all first elements (y-value) of their ordered pairs of the relation.
  6. 10. a function whose y-values increase and x-values increase.
  7. 13. Two endpoints on a circle and all of the points on the circle between those two endpoints.
  8. 14. is a pattern of numbers that are formed in accordance with a definite rule.
  9. 16. a line that intersects a circle or curve at two points.
  10. 17. a function whose y-values decrease and x-values increase.
  11. 18. a ratio that compares the change in Y-values of a parabola of a quadratic function with the corresponding y-values of the parabola of Y=X(2).
  12. 20. a line in which a parabola or other graph is reflected onto itself.
  13. 22. a set of numbers arranged such that there is a common ratio between successive terms.
  14. 23. a set of numbers arranged such that there is a common difference between successive terms.
  15. 24. the curved graph of a quadratic function.
Down
  1. 1. a line that starts and ends on the circumference of a circle.
  2. 2. an angle whose vertex lies on a circle, and whose arms contain chords of 9the circle. In the figure below <XYZ is an inscribed angle.
  3. 3. the distance around the circle.
  4. 7. a quadrilateral inscribed in a circle.
  5. 11. the part of mathematics in which letters and other general symbols are used to represent numbers and quantities in formulae and equations.
  6. 12. a line that touches a circle or a curve at one point without crossing.
  7. 15. the statement "If it is raining then the grass is wet" is "If the grass is wet then it is raining." is a what statement.
  8. 19. The same distance. Objects can be equidistant from one another.
  9. 21. a squished circle.
  10. 25. a straight line from the centre to the circumference of a circle or sphere.