二次方程、二次函数无疑是初中数学的重中之重,而一元二次方程根的讨论能融汇方程、函数和不等式的知识,对强化数形结合能力,培养思维的严密性与灵活性,都是很好的课题,值得我们重视.本文相对集中有关内容,使读者便于比较和掌握.例1当m是怎样的值时,方程x2-(m+1)x+m=0的根分别 The quadratic equations and quadratic functions are undoubtedly the most important tasks of junior high school mathematics. The discussion of the roots of the quadratic equations of one element can integrate the knowledge of equations, functions, and inequalities, strengthen the ability to combine numbers and shapes, and foster the rigor and flexibility of thinking. Sex is a very good topic and deserves our attention. This article focuses on the relevant content, so that the reader is easy to compare and grasp. Example 1 When m is what value, the equation x2-(m+1)x+m=0 Root respectively