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Mathematics 22 Online
OpenStudy (anonymous):

(x-1)^+(y+1)^=3

OpenStudy (anonymous):

What problem?

OpenStudy (anonymous):

the problem says to find the center and the radius of the circle this is my geometry homework

OpenStudy (anonymous):

\[(x-1)^{2}+(y+1)^{2}=3 ?\]

OpenStudy (anonymous):

yes that's the problem lol

OpenStudy (anonymous):

The standard form: \(\large (x - h)^2 + (y-k)^2 = r^2\) Center: \(\large (h= 1, k= -1) = ( 1, -1 )\) and radius \(\large r=3\) since \(\large r^2=3^2\) => \(\large r = 3 \)

OpenStudy (anonymous):

thank you ! i'm taking a geometry summer class and I have a test over circles. can't seem to pass it

OpenStudy (aum):

If \((x-1)^{2}+(y+1)^{2}=3\), then \(r^2 = 3\) and so \(r = \sqrt{3}\).

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