4 verified, narrated animations about tangent lines, reviewed by hand and checked at animation steps. Watch free; download the video or adapt it to your lesson with any paid plan.
A ball rolls along the parabola L(w) = (w-3)^2 + 1, starting at w = -1 and updating via w <- w - eta dL/dw wit…
Starting from x0 = 2.5 on f(x) = x^2 - 2, this animation draws each tangent line and follows it down to the x-…
A curve f is shown alongside a second graph tracking A(x), the running area under f from 0 to x. As x sweeps r…
An animation tracks secant lines through the fixed point (2, f(2)) on f(x) = x^2/4 + 1/2 as the second point s…
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