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Collection of equation of a circle (36)
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General form equation of a circle: (x - 2)² + (y - 3)² = 25 simplifies to x² + y² - 4x - 6y - 12 = 0.
Equation of a Circle: The standard form for a circle centered at the origin, with an example equation x² + y² = 9.
Converting the standard form equation of a circle to its general form, illustrated with a graph and algebraic steps.
Parametric Equation of a Circle: Visual representation of x = r cos θ and y = r sin θ for a unit circle.
Equation of a Circle: (x-h)² + (y-k)² = r², with center (h,k) and radius r, illustrated on a coordinate plane.
Graph of a circle with radius 5 centered at the origin, illustrating key points and the Pythagorean theorem.
Notes worksheet on the equation of a circle, including how to determine if a point lies on a circle and how to write the equation given the center and a point.
Graph of a circle with center (h, k) and radius r, illustrating the Pythagorean theorem in coordinate geometry.
Lesson slide on the general equation of a circle, including formulas and a graph, dated Tuesday, 19 May 2020.