SOLUTION: Given the equation of the circle (x - 9) 2 + y 2 = 484, the center of the circle is located at __________, and its radius has a length of __________ units.
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Question 307143: Given the equation of the circle (x - 9) 2 + y 2 = 484, the center of the circle is located at __________, and its radius has a length of __________ units.
Answer by solver91311(24713) (Show Source): You can put this solution on YOUR website!
A circle centered at )
with radius 
is described by the equation:
^2\ +\ (y\ -\ k)^2\ =\ r^2)
Rewrite your equation thus:
^2\ +\ (y\ -\ 0)^2\ =\ 22^2)
And you can determine the answers by inspection.
John
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