Using secant line slopes to approximate tangent slope's Full Profile
The idea of slope is fairly straightforward-- (change in vertical) over (change in horizontal). But how do we measure this if the (change in horizontal) is zero (which would be the case when finding the slope of the tangent line. In this tutorial, we'll approximate this by finding the slopes of secant lines.
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- Level of Difficulty: Beginner
- Size: One-on-One
- Instructor: Sal Khan
- Cost: Free
- Institution: Khan Academy
- Topics: Calculus, General Mathematics
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