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Find the center and radius of the circle with equation (x + 2)2 + (y + 7)2 = 81.

 May 23, 2019

Best Answer 

 #1
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\((x+2)^2 + (y+7)^2 = 81 = 9^2\\~\\ \text{you can read the center right off as $(-2,-7)$ and the radius as $9$}\)

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 May 23, 2019
 #1
avatar+6045 
+2
Best Answer

\((x+2)^2 + (y+7)^2 = 81 = 9^2\\~\\ \text{you can read the center right off as $(-2,-7)$ and the radius as $9$}\)

Rom May 23, 2019

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