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anonymous

  • 5 years ago

-2+7i ------ -4-3i A.) 3-14i --------- 6 B.) -13-34i --------- 25 C.) -13-22i --------- 25 D.) -13+22i ---------- 25

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  1. amistre64
    • 5 years ago
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    xavier is quick like lol

  2. anonymous
    • 5 years ago
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    Multiply the top and bottom by -4+3i. I usually only give advice when im all ninja like

  3. amistre64
    • 5 years ago
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    -16-9=-25... got that much lol

  4. amistre64
    • 5 years ago
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    16-9 tho right? 7

  5. amistre64
    • 5 years ago
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    ack.... 25 is the bottom

  6. anonymous
    • 5 years ago
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    Yeah

  7. anonymous
    • 5 years ago
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    okay top is -27 and bottom is11

  8. amistre64
    • 5 years ago
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    16 -9i^2 = 16+9 = 25

  9. anonymous
    • 5 years ago
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    How did you get that katie?

  10. anonymous
    • 5 years ago
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    ohh wait its 25 sorry

  11. amistre64
    • 5 years ago
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    27 is a magic number lol

  12. anonymous
    • 5 years ago
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    so is the answer D

  13. anonymous
    • 5 years ago
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    I got B: (-2+7i)(-4+3i)=8-6i-28i+21i^2=8-6i-28i-21=-13-34i For the numerator. 25 Denominator

  14. anonymous
    • 5 years ago
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    oh okay i see how you did that

  15. anonymous
    • 5 years ago
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    i gave you a medal

  16. anonymous
    • 5 years ago
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    for your help

  17. amistre64
    • 5 years ago
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    I get B as well

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