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X2 + y2 + 4x – 18y + 81 =0 What is the center of this circle ? What is the radius of this circle ? units
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1 vote
X2 + y2 + 4x – 18y + 81 =0

What is the center of this circle ?
What is the radius of this circle ?
units

User Suthiro
by
4.2k points

1 Answer

2 votes

Answer:

center: (-2,9)

radius: 2

User Zam
by
4.7k points
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