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1. The equation of a circle is x² + y² - 4x +2y-11-0. What are the center and the radius of the circle?
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Answer:

1 The equation of a circle is x y 4x 2y110 What are the center and the radius of the circle www Show your work Answer class=

Respuesta :

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Actually Welcome to the concept of Circles,

so we get as,

centre as ==> ( -g, -f) ==> (2,-1)

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