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missashleyn

  • one year ago

What is the equation of this circle? (x – 1)2 + y2 = 2 (x + 1)2 + y2 = 4 (x + 1)2 + y2 = 2 (x – 1)2 + y2 = 4

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  1. missashleyn
    • one year ago
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  2. timo86m
    • one year ago
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    http://www.mathwarehouse.com/geometry/circle/equation-of-a-circle.php this help?

  3. missashleyn
    • one year ago
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    Kinda but if you look at the picture, the radius is 5 right? 5*5=25 and that's not an answer?

  4. timo86m
    • one year ago
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    radious is 2 actually

  5. missashleyn
    • one year ago
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    Oh how? :/

  6. timo86m
    • one year ago
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    cuzz the diameter is 4 and half the diameter is riadius so it 2

  7. jim_thompson5910
    • one year ago
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    take a look at this

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  8. timo86m
    • one year ago
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    (x−h)^2+(y−k)^2=r^2 just plug in (x−1)^2+(y−0)^2=2^2 then expans and such

  9. timo86m
    • one year ago
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    (x−1)^2+(y−0)^2=2^2 (x-1)^2+y^2 = 4

  10. missashleyn
    • one year ago
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    Okay awesome, thank you! (:

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