That is the equation of a circle with a radius of one..............what would the equation of a circle be...............whose radius is one half?..................x squared + y squared = 1/4...................1/4 is like 14............................using the zero dimension..................1/2 + 14i is the location of the 1st zero..........

The equation for the bottom half of a circle...(2017) - Quora

https://www.quora.com/What-is-the-equation-for-the-bottom-half-of-a-circle-centered...

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Start with what you know: the equation for a circle is [math] (x-a)^2 + (y-b)^2 = r^2 [/math] where [math] (a,b) [/math] is the center of the circle and [mat...

Function in Y semi-circle - Mathematics Stack Exchange

https://math.stackexchange.com/questions/7908/function-in-y-semi-circle

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Oct 26, 2010 - The only "unit semicircles" that can be expressed as y=f(x) are the upper half of the unit ... Since the unit circle consists of all points (x,y) that satisfy x2+y2=1, ... If you are willing to use parametric equations, you can cover more ...