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Determine the center and radius of the following circle equation:

x2 + y2 – 16x + 10y + 80 = 0?

User Rtoijala
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1 Answer

6 votes

Answer:

centre is (8, -5)


r = \sqrt{ {g}^(2) + {f}^(2) - c } \\ = √(64 + 25 - 80) \\ = √(9) \\ r = 3 \\ radius \: = \: 3 \: units

User Artur Grigio
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