Local Linearity

Author:Peter Keep

Notice that wherever you move the tangent line, you are able to zoom in and see how the red tangent line is a linear approximation of the function's curve at that point.

New Resources

apec
拼砌四邊形 - 工作紙
Forming Similar Triangles
רישום חופשי
畫三角形

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differentiating x-cubed
See Complex Zeros of Quadratics and "Equivalent Quadratics"
Angles on a line
Pythag Demo
hyperbolic tools bisector ex 1 ver 2

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Statistics
Median Value
Symmetry
Polynomial Functions
Circle