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# plz help

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Find the radius of the circle passing through the points (0,0), (2,0), and (-1,3).

Sep 2, 2021

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Find the radius of the circle passing through the points (0,0), (2,0), and (-1,3).

Hello Guest!

The functional equation of the circle passing through the points (0,0), (2,0), and (-1,3) is

$$f(x)=\pm \sqrt{(\sqrt{5})^2-(x-1)^2}-2$$

The radius of the circle is $$\sqrt{5}\approx 2.236$$.

!

Sep 2, 2021