Find the Center (H, K) and Radius R of the Circle

question 188

Multiple Choice

Find the center (h, k) and radius r of the circle with the given equation.
- $$x ^ { 2 } + ( y + 6 ) ^ { 2 } = 9$$

• A) \(( \mathrm { h } , \mathrm { k } ) = ( 0 , - 6 ) ; \mathrm { r } = 9\)
• B) \(( \mathrm { h } , \mathrm { k } ) = ( - 6,0 ) ; \mathrm { r } = 9\)
• C) \(( \mathrm { h } , \mathrm { k } ) = ( - 6,0 ) ; \mathrm { r } = 3\)
• D) \(( \mathrm { h } , \mathrm { k } ) = ( 0 , - 6 ) ; \mathrm { r } = 3\)

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