How do you graph ##x^2 + y^2 = 100##?

graph{y^2 + x^2 – 100 = 0 [-32.48, 32.44, -16.28, 16.2]}

This is a circle whose center point is the orgin and whose radius is 10 (##sqrt(100)##). The formula for a circle is ##(x-h)^2 + (y-k)^2 = r^2##.
In this case, h and k are 0 so the center is the orgin and the radius is ##sqrt(100)## = 10

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