Center: In a circle, it is the point from which all the points in the circle are equidistant.
Circle: It is made of the set of all points in a plane laying at a constant distant r from a given point called center. If the radius is r and the center at (h,k) then the equation of the circle is given by (x-h)2 + (y-k)2 = r2
Completing the Square: Method that finds the constant term in an incomplete perfect square trinomial of a second degree equation to solve it.
Conic section: A figure that is obtained slicing a double cone with a plane. (parabola, circle, hyperbola, and ellipse)
Factoring: The process to brake a polynomial down into the product of several factors.
Factors: All whole numbers that are multiplied together to yield another number.
Factored Form: Any polynomial that is written as the product of polynomials of lower degree that may be obtained from the original polynomial.
Radius: For a circle the radius is the segment with endpoints at the center of the circle and the circle.
Standard form of an equation of a circle:
(x-h)2 + (y-k)2 = r2 where (h,k) is the center and r is the radius.
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