SOLUTION: The graph of the equation below is a circle. What is the length of the radius of the circle?
(x+5)^2+(y+7)^2=21^2
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Question 408938: The graph of the equation below is a circle. What is the length of the radius of the circle?
(x+5)^2+(y+7)^2=21^2
Answer by MathLover1(20850) (Show Source): You can put this solution on YOUR website!
A circle is the set of all points that are the same distance, , from a fixed point.
General Formula: where is the radius
so, in your case
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