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Circles

4I. Circles. Graph of a Circle. A circle is a many-to-many relation . (not a function) i.e there are many x values for every y value, and there are m any y values for every x v alue. The rule that defines a circle with its centre at (0, 0) and of radius  r is. Solving the equation.

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Circles

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  1. 4I Circles

  2. Graph of a Circle A circle is a many-to-many relation. (not a function) i.e there are many x values for every y value, and there are many y values for every x value.

  3. The rule that defines a circle with its centre at (0, 0) and of radius ris.

  4. Solving the equation A semi-circle (top half) : A semi-circle (bottom half)

  5. Transforming a Circle The general equation for a circle with centre (h,k) and radius r is:

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