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Zenmo

  • one year ago

Small question on the "answers" for this rectangular to polar form problem y^2-8x-16=0.

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  1. Zenmo
    • one year ago
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    Simplifying the problem with the quadratic formula will get me |dw:1433774796671:dw| so I get |dw:1433774862883:dw|, but in the book it's |dw:1433774911588:dw|

  2. Zenmo
    • one year ago
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    It's not technically on the problem itself, but why is there a minus sign for one of the answers?

  3. Zenmo
    • one year ago
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    On the 2nd drawing, those are my answers, but the solution has put a minus sign on one of the solution (3rd picture).

  4. Zenmo
    • one year ago
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    Like if I leave the answer as the 2nd picture (it will probably be uncorrect).

  5. anonymous
    • one year ago
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    lol idk wait ill get some help @toxicsugar22 @mathmate @fantasiablueskys

  6. Zenmo
    • one year ago
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    or get half credit*

  7. Zenmo
    • one year ago
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    You understand my question now right? Just checking lol

  8. anonymous
    • one year ago
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    yeah i dont get it

  9. mathmate
    • one year ago
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    hint: \((cos\theta-1) = -(1-cos\theta)\)

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