Copia de The Definition of the Derivative

Author:Profesor Matemáticas, Spencer Bean

Click and drag on either of the points to watch the secant line approach the tangent line. You can also plug in a different function and explore. It's the definition of the derivative at work!

New Resources

Parallel lines, Transversals and Segments
seo tool
Parallel Lines & Related Angles: Quick Reminders
Cartesian Notation of a Vector
Open Education 2026

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Example 3
Continuous - Left/Right
A simple quadratic Bézier-Surface
Components and resultant of system of forces
Rounding Function

Discover Topics

Upper and Lower Sum or Riemann Sum
Dilation
Algebra
Secant Line or Secant
Pie Chart or Circle Chart