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Algebra II Workbook For Dummies, 2nd Edition by Mary Jane Sterling

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Part IV

Other Good Stuff: Lists, Arrays, and Imaginary Numbers

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webextras.eps Work with matrices in a free article at www.dummies.com/extras/algebraiiwb.

In this part …

  • Move from the real to the imaginary with i and complex numbers.
  • Solve equations with complex solutions and finish problems using the quadratic formula.
  • Perform matrix operations.
  • Use matrices to solve systems of linear equations.
  • Work with patterns of numbers by writing sequences and their corresponding series.
  • Count elements in sets using permutations and combinations.

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