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Type: Multiple-Choice
Category: Circles
Level: Grade 11
Standards: HSG-GPE.A.1
Author: nsharp1
Created: 7 years ago

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Grade 11 Circles CCSS: HSG-GPE.A.1

What is the center and radius of the circle given by the following equation?
x2+y2-18x+6y+65=0
  1. Center:(18,-6), Radius:65
  2. Center:(9,-3), Radius:5
  3. Center:(0,0), Radius:√65
  4. Center:(-9,3), Radius:25