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anonymous

  • 4 years ago

Solve the equation and identify the shape.. plz help if you can x^2+y^2+2x+2y=0 x^+y^2+6y+12=0

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  1. anonymous
    • 4 years ago
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    |dw:1327622635517:dw|

  2. Mertsj
    • 4 years ago
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    If you complete the square for both x^2 +2x and y^2 +2y you will find that it is a circle with center (-1,-1) and radius sqrt2

  3. anonymous
    • 4 years ago
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    oh ok but how do i solve the equation?

  4. Mertsj
    • 4 years ago
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    You can solve the equation by finding it is a circle with center (-1,-1) and radius sqrt2. It has an infinite number of solutions consisting of all the points on the circle described.

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