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Equation of Circles

Geometry Level 1

If \((-1, -3)\) and \((5, 1)\) are two endpoints of a diameter of a circle, what is the equation of the circle?

\[(x-2)^2+(y-1)^2=13\] \[(x-2)^2+(y+1)^2=11\] \[(x-2)^2+(y+1)^2=13\] \[(x-1)^2+(y+1)^2=11\]

Excel in math and science

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It's hard to learn from lectures and videos

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Our wiki is made for math and science

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examples, and problems from the community.

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including olympiad champions, researchers, and professionals.

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by Sandeep Mehra

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