Equation of Circles

Equation of CirclesLet’s review what we already know about circles. Definition: A circle is a locus (set) of points in a plane equidistant from a fixed point.Now, if we “multiply out” the above example (x-2)2 + (y+5)2  = 9 we will…

Equation of CirclesLet’s review what we already know about circles. Definition: A circle is a locus (set) of points in a plane equidistant from a fixed point.Now, if we “multiply out” the above example (x-2)2 + (y+5)2  = 9 we will…