How to derive the equation for a circle using the distance formula.
How to use the distance formula to derive the equation for a circle.
How to identify a conic section by its formula.
How to write the parametric equations of a circle centered at (0,0) with radius r, oriented counter-clockwise.
How to define a circle and identify its main parts.
How to perform and describe a dilation.
How to graph the special cases of the family r = a + b cos (theta) when a or b = 0.