The equation of a circle in the xy - plane is shown above . what is the radius of the circle
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x^(2)+y^(2)+4x-2y=-1 <br> The equation of a circle in the xy-plane is shown above. What is the radius of the circle? Therefore, the radius of the circle is 2.
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x^(2)+y^(2)+4x-2y=-1 <br> The equation of a circle in the xy-plane is shown above. What is the radius of the circle? Therefore, the radius of the circle is 2
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