Question

What is the formula for the slope of a secant line?

Answer 1

The formula for the slope of the secant line can be found using this different forms of the same definition.

`(Deltay)/(Deltax)=(y_2-y_1)/(x_2-x_1)=(f(x+Deltax)-f(x))/(Deltax)=(f(b)-f(a))/(b-a)`