The false position method

An alternative technique bisection method is a straight line joining f (xi) and f (xf).
The intersection of this line with the x-axis represents a better approximation to the root; the fact that the curve is replaced by a straight line gives a false position of the root.



From http://www.slideshare.net/nestorbalcazar/mtodos-numricos-03



From http://www.slideshare.net/nestorbalcazar/mtodos-numricos-03