The way of working out the problem of taking two line segments as the root of an equation is to link up monodic quadratic equation directly with geometry and establish the connection between them.

• 以两线段长为一元二次方程的根的问题的解法,是把一元二次方程与几何问题直接挂钩,沟通了几何与二次方程之间的联系。