Question 276115:
Given the equation for a circle to be x^2 + (y + 4)^2 = 49.
Find the origin and the radius of the circle.
Could someone help and explain please??
Answer by scott8148(6628)   (Show Source):
You can put this solution on YOUR website! general equation for a circle is ___ (x - h)^2 + (y - k)^2 = r^2
___ this is a circle, centered at (h,k), with radius r
in this case, the center is (0, -4) and the radius is 7
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