Power of a point Meaning, Definition & Usage

Definitions

1. (relative to a given curve) (Geom.), the result of substituting the coördinates of any point in that expression which being put equal to zero forms the equation of the curve; as, x2 + y2 - 100 is the power of the point x, y, relative to the circle x2 + y2 - 100 = 0.