Find the Center and Radius of the Circle $x ^ { 2 } + y ^ { 2 } + 18 x + 2 y = - 46$

question 114

Multiple Choice

Find the center and radius of the circle.
- $x ^ { 2 } + y ^ { 2 } + 18 x + 2 y = - 46$

• A) \(( - 1 , - 9 ) , \mathrm { r } = 6\)
• B) \(( 1,9 ) , r = 36\)
• C) \(( 9,1 ) , r = 36\)
• D) \(( - 9 , - 1 ) , \mathrm { r } = 6\)

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