Stationary Points | MME
mathsmadeeasy.co.uk › stationary-pointsFinding the Nature of Stationary Points. Once we’ve found our stationary points, we need to find out whether they are a maximum, minimum, or a stationary point of inflection. We do this by differentiating our derivative again. So, for example, take our first example of y = x^2 - 1. We said that \dfrac {dy} {dx} = 2x.