PreCalc Crossword

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Across
  1. 2. a real number regardless of its sign
  2. 4. a test used to determine if something is a function
  3. 6. A = A0ekt
  4. 7. An equation that makes a straight line when it is graphed
  5. 11. made up of a base, number(x), and exponent
  6. 13. where a line touches the x-axis
  7. 14. a method for determining the maximum number of positive zeros for a polynomial
  8. 17. a straight line that limits the value of a curve
  9. 18. an equation which is true regardless of what values are substituted for any variables
  10. 22. a polynomial of the second degree
  11. 23. go from term to term by multiplication
  12. 24. go from term to term by addition.
  13. 25. decreases in value
Down
  1. 1. the symbol used to indicate a square root
  2. 3. Sn= n/2[2a+(n-1)d]
  3. 5. a quantity that may change within the context of a mathematical problem or experiment (x,y,z)
  4. 8. directly adding values of a matrix
  5. 9. a rectangular selection of numbers in brackets or parentheses
  6. 10. increases in value
  7. 12. greater than 90 degrees
  8. 15. less than 90 degrees
  9. 16. use the previous number (a1 is given to you)
  10. 19. the base of a natural log
  11. 20. an equation in which the highest power of an unknown quantity is a square
  12. 21. compares two values, showing if one is less than, greater than, or simply not equal to another value