Kelsey's Crossword Puzzle :)

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Across
  1. 4. The curve formed by the set of points in a plane that are all equally distant from both a given line
  2. 5. A plane curve having two branches, formed by the intersection of a plane with both halves of a right circular cone
  3. 6. The difference between the smallest and largest values in a set of data
  4. 9. a number or quantity that when multiplied by itself gives a given number or quantity
  5. 10. An algebraic expression consisting of three terms connected by plus or minus signs
  6. 14. an algebraic equation in which each term is either a constant or the product of a constant and (the first power of) a single variable
  7. 15. A number that is rational or irrational, not imaginary
  8. 17. Calculated by combining the values from the set in a specific way and computing a single number as being the average of the set
  9. 18. A value of a function that is less than any other value of the function over a specific interval
  10. 19. Independent variable of a function
  11. 20. The tangent of the angle of inclination of a line
  12. 21. the sum of the values divided by the number of values
  13. 22. A rectangular array of numeric or algebraic quantities
  14. 23. relations for which each input has
Down
  1. 1. Two expressions that are equal
  2. 2. longest side of a right-angled triangle
  3. 3. The greatest value assumed by a function over a given interval
  4. 7. The distance the number is from 0 on the number line
  5. 8. The value that has the largest number of observations
  6. 11. Arranging all the observations from lowest value to highest value and picking the middle one
  7. 12. Two lines that don't touch
  8. 13. An expression of two or more terms
  9. 15. A Flip
  10. 16. a polynomial with two terms the sum of two monomials often bound by parenthesis or brackets when operated upon