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Mathematics 18 Online
OpenStudy (anonymous):

help pleaseee @Isaiah.Feynman @Virgil

OpenStudy (anonymous):

OpenStudy (anonymous):

@satellite73 @primeralph

OpenStudy (primeralph):

(x-0)^2 + (y-0)^2 = 3^2

OpenStudy (anonymous):

is the equation x2 + y2 = r2

OpenStudy (primeralph):

Yeah. r =3.

OpenStudy (anonymous):

y is its (x-0)^2?

OpenStudy (primeralph):

Because the center is at (0,0).

OpenStudy (anonymous):

so what if the center was like ..(2,-3) and the radius was like um 2

OpenStudy (primeralph):

(x-2)^2 + (y+3)^2 = 2^2

OpenStudy (anonymous):

ooooo ok so its not different

OpenStudy (primeralph):

What?

OpenStudy (primeralph):

They're different, depending on the center and radius.

OpenStudy (anonymous):

thank you

OpenStudy (isaiah.feynman):

The final equation is \[x^{2}+y^{2}=3^{2} \]

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