diff --git a/education/math/MATH1210 (calc 1)/Derivatives.md b/education/math/MATH1210 (calc 1)/Derivatives.md
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+A derivative can be used to describe the rate of change for a single point.
+
+The formula used to calculate the average rate of change looks like this:
+$$ \dfrac{f(b) - f(a)}{b - a} $$
+Interpreting it, this can be described as the change in $y$ over the change in $x$.
+
+- Speed is always positive
+- Velocity is directional
+- 
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