Find the Center and Radius of the Circle $x ^ { 2 } + y ^ { 2 } + 18 x + 4 y + 85 = 36$

question 127

Multiple Choice

Find the center and radius of the circle.
- $x ^ { 2 } + y ^ { 2 } + 18 x + 4 y + 85 = 36$

• A) \(( 9,2 ) , r = 36\)
• B) \(( - 9 , - 2 ) , \mathrm { r } = 6\)
• C) \(( 2,9 ) , r = 36\)
• D) \(( - 2 , - 9 ) , r = 6\)

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