# Secant Slope Calculator

This app can be used to find the slopes of secants to the curve of (in blue). Sliders are provided to move either or . The calculation of the slope is shown.
By moving very close to , this app can be used to find an approximation for the slope of a tangent to this curve.
Alternatively, you can type "x_2=" followed by your choice of the value in the input bar at the bottom.

The function can be changed by typing another function into the input bar.

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