SOLUTION: The question that I am having trouble with states: Find the standard form of the equation of the specified circle. Center: (-5, -4); radius: 5 squareroot 5.

Question 84816: The question that I am having trouble with states: Find the standard form of the equation of the specified circle. Center: (-5, -4); radius: 5 squareroot 5.
Answer by tanimachatterjee(60) (Show Source): You can put this solution on YOUR website!
we know that if (h,k) be the center of the circle and r be the radius of the circle then equation of the circle is (x-h)^2 + (y-k)^2 = r^2
so here equation is (x -(-5))^2 +(y-(-4))^2 = (5sqrt5)^2
or (x+5)^2 + (y+4)^2 = 125

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