PreCalc Crossword

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Across
  1. 3. a real number regardless of its sign
  2. 5. go from term to term by multiplication
  3. 6. a quantity expressed as a sum or difference of two terms
  4. 7. a sum of the set of terms in a sequence
  5. 8. a function made up of pieces over different intervals
  6. 10. Sn= n/2[2a+(n-1)d]
  7. 12. a decrease which follows an exponential function
  8. 15. greater than zero
  9. 16. the value that a function (or sequence) "approaches" as the input (or index) "approaches" some value
  10. 18. number a number that can be written as a fraction
  11. 20. adjacent/hypotenuse
  12. 22. a quantity that may change within the context of a mathematical problem or experiment (x,y,z)
  13. 24. a true mathematical statement
  14. 27. a polynomial of the second degree
  15. 29. an angle in standard position whose terminal side falls upon a coordinate axis
  16. 30. the base of a natural log
  17. 31. increases in value
  18. 33. the symbol used to indicate a square root
  19. 36. A = A0ekt
  20. 37. 3.14
  21. 38. greater than 90 degrees
  22. 43. decreases in value
  23. 44. go from term to term by addition.
  24. 46. function f (−x) = −f (x)
  25. 48. opposite/hypotenuse
  26. 49. a test used to determine if something is a function
  27. 50. the branch of mathematics dealing with the relations of the sides and angles of triangles and with the relevant functions of any angles
Down
  1. 1. less than 90 degrees
  2. 2. ex. 4!
  3. 4. an equation in which the highest power of an unknown quantity is a square
  4. 9. an equation which is true regardless of what values are substituted for any variables
  5. 11. a numerical or constant quantity placed before and multiplying the variable
  6. 13. a straight line that limits the value of a curve
  7. 14. a method for determining the maximum number of positive zeros for a polynomial
  8. 17. opposite/adjacent
  9. 19. made up of a base, number(x), and exponent
  10. 21. used for division, factoring and finding zeros
  11. 23. compares two values, showing if one is less than, greater than, or simply not equal to another value
  12. 25. set of all input values
  13. 26. directly adding values of a matrix
  14. 28. a rectangular selection of numbers in brackets or parentheses
  15. 32. The change in the value of a quantity divided by the elapsed time
  16. 34. An equation that makes a straight line when it is graphed
  17. 35. set of all input values x
  18. 39. a list of numbers
  19. 40. a relation in which every input results in only one output
  20. 41. use the previous number (a1 is given to you)
  21. 42. where a line touches the x-axis
  22. 45. csc,sec,cot
  23. 47. less than zero