School level

Derivative of a Quadratic Function

- Derivative of a Quadratic Function

Use this interactive file to understand the form of the derivative of a quadratic function. 

Instructions:

  1. Drag the sliders to change the quadratic function.
  2. Click on the check boxes to show the slope of a tangent at a point on the graph, to show the value of the derivative at that point and to show the derivative of the function.
  3. Move the point A and watch the shape traced out by the slopes of the tangents. Do the slopes follow a predictable pattern?  

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