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一元二次方程根的判别式是初中数学学习的重点,是解数学题的重要工具,也是历年各地中考的必考知识点.本文列举中考涉及到的常见题型及解法献给读者,供学习参考.
The discriminant of the root of one-quadratic quadratic equation is the key point of mathematics learning in junior high school. It is an important tool for solving mathematics problems and it is also a must-know knowledge point in various examinations over the years. This article lists the common questions involved in the examination and the solution to the readers for learning. reference.