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PunkFanChick

  • 2 years ago

what is the length of the diameter of the circle x^2+y^2-14x+40=0? Seriously

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  1. Algebraic!
    • 2 years ago
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    were you able to rearrange it so it's in the form f(x)^2 +f(y)^2 =r^2 ?

  2. PunkFanChick
    • 2 years ago
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    no

  3. Algebraic!
    • 2 years ago
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    complete the square on the terms with 'x' in them...

  4. Algebraic!
    • 2 years ago
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    x^2 -14x + ?

  5. Algebraic!
    • 2 years ago
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    remember completing the square? from algebra? (x-7)(x-7) - ___

  6. PunkFanChick
    • 2 years ago
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    Okay I got it

  7. Algebraic!
    • 2 years ago
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    you got the answer?

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spraguer (Moderator)
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