Derivative - Wikipedia The derivative is often described as the instantaneous rate of change, the ratio of the instantaneous change in the dependent variable to that of the independent variable [1] The process of finding a derivative is called differentiation There are multiple different notations for differentiation
Introduction to Derivatives - Math is Fun It is all about slope! Slope = Change in Y Change in X We can find an average slope between two points But how do we find the slope at a point?