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Q: Which of the following is the equation of a circle whose center is at the origin and whose radius is ? x2 + y2 = x2 + y2 = 5 x2 + y2 = 10 x2 + y2 = 25
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User: Which of the following is the equation of a circle whose center is at the origin and whose radius is ? x2 + y2 = x2 + y2 = 5 x2 + y2 = 10 x2 + y2 = 25

Weegy: C
brian burch|Points 10|

User: Which of the following is the equation of a circle whose center is at the origin and whose diameter has endpoints (-1, 2) and (1, -2)? x2 + y2 = 2 x2 + y2 = 3 x2 + y2 = 4 x2 + y2 = 5

Weegy: x2 + y2 = 4



User: If the point (1, 5) lies on a circle whose center is at the origin, what is the equation of the circle? x2 + y2 = 26 x2 + y2 = 16 x2 + y2 = 13 x2 + y2 = 11

Question
Asked 7/28/2011 11:28:47 AM
Updated 7/21/2014 11:21:59 PM
2 Answers/Comments
This conversation has been flagged as incorrect.
Flagged by yeswey [7/21/2014 11:20:56 PM]
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x^2 + y^2 = 5 is the equation of a circle whose center is at the origin and whose diameter has endpoints (-1, 2) and (1, -2).
Added 7/21/2014 11:21:20 PM
This answer has been confirmed as correct and helpful.
Confirmed by yumdrea [7/21/2014 11:27:05 PM]
3
If the point (1, 5) lies on a circle whose center is at the origin, the equation of the circle is x^2 + y^2 = 26
Added 7/21/2014 11:21:59 PM
This answer has been confirmed as correct and helpful.
Confirmed by yumdrea [7/21/2014 11:27:05 PM]
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