Graph C best represents the equation x² + (y-1)²=3². The given equation is compared by the standard equation to form a graph.
What is the equation for a circle centered at (x,y) with a radius of r units?
If a circle O has a radius of r units and its center is at (h, k) in the coordinate plane, then its equation is:
(x-h)^2 + (y-k)^2 = r^2
The given data equation is;
x² + (y-1)²=3²
Compare the standard equation with the given equation, we get;
h=0
k=1
r=3
Graph C best represents the equation x² + (y-1)²=3².
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