Mathematics, 08.04.2020 21:35 netflixacc0107

What are the center and the radius of:
x^2 + 4x + y^2 - 20y + 100 = 0
c= (-2, 10) r=4
Oc=(2,-10);= 2
c= (-2, 10) r = 2
c=(2,-10) r=4

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What are the center and the radius of:
x^2 + 4x + y^2 - 20y + 100 = 0
c= (-2, 10) r=4