Power of a point

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(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.

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References in periodicals archive ?
The power of point of view; make your story come to life.
A compelling example of the power of point of view is the budding movement in financial services to embrace Enterprise Risk Management, which focuses on thinking about, measuring and managing a firm's overall combination of risks and returns.