Identify the Center and Radius of the Circle $$x ^ { 2 } - 8 x + y ^ { 2 } = 20$$

question 52

Multiple Choice

Identify the center and radius of the circle. $$x ^ { 2 } - 8 x + y ^ { 2 } = 20$$

• A) Center: \(( 0 , - 4 ) ; r = 6\)
• B) Center: \(( 4,0 ) ; r = 6\)
• C) Center: \(( 8,0 ) ; r = 36\)
• D) Center: \(( 8,0 ) ; r = 2 \sqrt { 5 }\)

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