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Determine the center and radius of the following circle equation:
x2 + y2 – 16x + 10y + 80 = 0?

Sagot :

Answer:

centre is (8, -5)

[tex]r = \sqrt{ {g}^{2} + {f}^{2} - c } \\ = \sqrt{64 + 25 - 80} \\ = \sqrt{9} \\ r = 3 \\ radius \: = \: 3 \: units[/tex]

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