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anonymous

  • one year ago

find real numbers a and be such that the equation is true a+bi=-9+4i

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  1. anonymous
    • one year ago
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    a=-9 b=?

  2. anonymous
    • one year ago
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    *b

  3. anonymous
    • one year ago
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    equate real and imaginary parts

  4. anonymous
    • one year ago
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    bi=4i b=?

  5. anonymous
    • one year ago
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    4?

  6. anonymous
    • one year ago
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    correct.

  7. anonymous
    • one year ago
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    so the answer would be 5-i?

  8. anonymous
    • one year ago
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    sorry -5-i?

  9. anonymous
    • one year ago
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    no a=-9,b=4 your solution is complete.

  10. anonymous
    • one year ago
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    i was looking at the wrong number in the answer key, my mistake

  11. anonymous
    • one year ago
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    thanks!

  12. anonymous
    • one year ago
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    o.k

  13. anonymous
    • one year ago
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    yw

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spraguer (Moderator)
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