Exam (elaborations)
PreCalculus Chapter 9.1: Circles, Parabolas, Hyperbolas, & Ellipses
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Equation of a Circle (x-h)^2 + (y-k)^2 = r^2 distance formula d = square root of (x-h)2 + (y-k)^2 - used to find the radius a.k.a. the distance from the center of a circle from a point on the circle. Center of a Circle (h,k) The center of a circle is equidistant from every point ...
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