Myra crossword 2

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Across
  1. 3. The set of all points in a plane such that the sum of the distances (focal radii) from two given points (foci) is constant.
  2. 6. A relation in which each element of the domain is paired with exactly one element of the range.
  3. 8. The horizontal axis.
  4. 9. The set of all points in a plane such that the distance (radius) from a given point (center of the circle) is constant.
  5. 10. Matrices with either one row or one column.
  6. 12. Two binomials of the form (a + Nt/b) and (a - N/b). where a and b are rational numbers.
  7. 14. A number or a polynomial of degree 0
  8. 15. The number that occurs most often in a set of numbers.
  9. 16. If there is no real number that is the value of an infinite series, the series diverges.
  10. 18. If there is a real number that is the value of the infinite series, the series converges.
  11. 20. A real number represented by a square array of numbers.
  12. 22. decimal A decimal in which a digit or a group of digits repeats forever, e.g. 0.66666 ... or 0.846846846 ... .
  13. 24. A measure of how closely a set of data are clustered about the mean.
  14. 26. The expression b2 - 4ac of the quadratic formula that determines several characteristics of the roots of a quadratic equation.
  15. 27. A polynomial function whose graph is smooth without "jumps".
  16. 28. The graph of a periodic function through one fundamental period.
Down
  1. 1. A line used in the definition of a conic section.
  2. 2. The sum of two vector.
  3. 4. The vertical axis.
  4. 5. A set of ordered pairs.
  5. 7. The result of an experiment
  6. 9. The number associated with a particular point on a number line.
  7. 11. The set of possible values for the variables for which an expression is real, or for which it is defined.
  8. 13. A ratio used in some definitions of conic sections.
  9. 15. A constant (a number), a variable, or a product of constants and/or variables.
  10. 17. The portion of a repeating decimal that repeats.
  11. 19. A symbol, usually a letter, that \represents, and may be replaced by, any number from a particular set of numbers.
  12. 21. Two numbers whose sum is zero. Also called additive inverses.
  13. 23. The set of all points in a plane that are the same distance from a point (focus) as they are from a given line (directrix). it is the graph of a quadratic function having a U shape.
  14. 24. formula
  15. 25. A symbol indicating that the pattern-continues in a sequence.
  16. 28. A set of numbers is closed under an operation if combining any two elements in the set by that operation yields a number in the set.