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13 June, 04:34

Determine the general form of the equation for the circle x^2 + (y + 1) ^2 = 2.

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  1. 13 June, 04:36
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    x² + y² + 2y - 1 = 0

    Step-by-step explanation:

    The general form of the equation for the circle:

    x² + y² + ax + by + c = 0

    Where: a, b and c are constants.

    For the given equation:

    x² + (y + 1) ² = 2

    ∴ x² + (y + 1) (y+1) = 2

    ∴ x² + y² + 2y + 1 = 2 ⇒ subtract 2 from both sides

    ∴ x² + y² + 2y + 1 - 2 = 2 - 2

    ∴ x² + y² + 2y - 1 = 0

    So, the general form of the equation for the circle:

    x² + y² + 2y - 1 = 0
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