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ACT Do Now

ACT Do Now. 6 Questions, 8 Minutes. Complex Numbers. 6/28/13. Complex Numbers. Write down everything you know about complex and imaginary numbers. The Imaginary Unit, i. The imaginary unit i is defined as: , where. Complex Numbers. The set of all numbers in the form .

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ACT Do Now

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  1. ACT Do Now • 6 Questions, 8 Minutes

  2. Complex Numbers 6/28/13

  3. Complex Numbers • Write down everything you know about complex and imaginary numbers.

  4. The Imaginary Unit, i • The imaginary unit i is defined as: , where

  5. Complex Numbers • The set of all numbers in the form . • The real number a is called the real part • The real number b is called the imaginary part

  6. Adding/Subtracting Complex Numbers 3) 4)

  7. Practice • P. 135 #1-8

  8. Multiplying Complex Numbers 3) 4)

  9. Practice • P. 135 #9-20

  10. Dividing Complex Numbers 1) 1)

  11. Practice • P. 135 #21-28

  12. Roots of Negative Numbers • Consider: • Same As: When performing operations with square roots of negative numbers, start by expressing all square roots in terms of ibefore performing the indicated operation.

  13. Roots of Negative Numbers • Perform the indicated operations and write the result in standard form. 2) 3) 1)

  14. Roots of Negative Numbers - YOUUUUU • Perform the indicated operations and write the result in standard form. 2) 3) 1)

  15. Practice • P. 135 #29-44, #45-54 • Extra Challenge: #55-57

  16. Error Analysis

  17. Harkness Discussions

  18. Exit Slip Quiz • Good luck!

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