which of the following equations is a circle equation A) $2x + y^2 + 3x - 4y = 5$ B) $x^2 + y^2 + 2x - 6y + 11 = 0$ C) $x^2 + y^2 + 4x + 6y = 1$ D) $2x^2 + 2y^2 + 4x + 6y + 13 = 0$
Added by Ruben L.
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The first step is to simplify the equations as much as possible. We can combine like terms and move constants to one side of the equation: 2X + Y + 3X + 44 = S 4X + 76 = S - Y 1 + Y + 12X + 64 = M X + Y + Y^2 + 643 = M 2X + 24 + 4Y = 4 4X + 64 + 13Y = 8 Show more…
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