Math — Plot: Secant & Tangent

A curve with a tangent line illustrating the derivative.

PlotlyScientific Plots Plotly syntax docs

Template previewPlotly

Rendering…

Make it your own.

{
  "data": [
    {"type":"scatter","mode":"lines","name":"y = x^2","line":{"color":"#2563eb","width":3},
     "x":[0,0.5,1,1.5,2,2.5,3],"y":[0,0.25,1,2.25,4,6.25,9]},
    {"type":"scatter","mode":"lines","name":"tangent at x=2","line":{"color":"#1f2937","width":2,"dash":"dash"},
     "x":[1,3],"y":[0,8]}
  ],
  "layout": {"title":"Tangent to a curve","xaxis":{"title":"x"},"yaxis":{"title":"y"}}
}