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Or the circle below, find the equation that represents that circle.

Or the circle below, find the equation that represents that circle.-example-1
User Cesoid
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The general form for the equation of a circle is given by:


(x-x_0)^2+(y-y_0)^2=r^2...(1)

Where (x₀, y₀) are the coordinates of the center, and r is the radius. From the problem, we identify:


\begin{gathered} (x_0,y_0)=(1,0) \\ r=3 \end{gathered}

Finally, using (1):


\begin{gathered} (x-1)^2+(y-0)^2=3^2 \\ \\ \therefore(x-1)^2+y^2=9 \end{gathered}

User Vijar
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