Instructions:
Use the mouse or touch to move the point of interest. Notice how the tangent line changes. The colors changes to indicate the sign of the slope. (Red for positive, blue for negative, black for zero)
Explanation:
Tangents are important tools used to understand functions. They can help describe the nature of a particular curve.
Link to stand-alone sim: Here is a link to view the sim on its own, with no distractions.
