Find the Center and Radius of the Circle $x ^ { 2 } + y ^ { 2 } = 49$

question 214

Multiple Choice

Find the center and radius of the circle $x ^ { 2 } + y ^ { 2 } = 49$ .

• A)center: (0, 0), radius: 11
• B)center: (-1, 1), radius: 11
• C)center: (0, 0), radius: 7
• D)center: (-1, -1), radius: 7
• E)center: (-7, -11), radius: 7

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