The equation defines a circle in the xy‑plane. What is the radius of the circle?
Correct answer: 11
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Explanation
The correct answer is 11. A circle with equation , where a, b, and r are constants, has center and radius r. Therefore, the radius of the given circle is , or 11.
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id cb_question_bank:56835509-7047-41fb-b035-b92003046ec4 · question ab176ad6 · IBN 025406-DC
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