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解析几何的本质是用代数方法研究图形的几何性质,体现了数形结合的重要数学思想.在各地模考卷和历年高考数学试卷中,解析几何题有着特殊的地位,能否顺利地解决解几问题往往成为学生整场考试成败的关键.学生在学习平面解析几何的时候,通常会有一个感觉:概念方法都很容易掌握,课堂上听讲也很轻松,但自己解决问题的时候总是出现障碍,要么不能找到解题方法,要么找到了解题思路也算不出结果.从教的角度看,
The essence of analytic geometry is the algebraic method to study the geometric properties of the figure, which embodies the important mathematics thought of the combination of the number and shape. In the test papers around the world and mathematics papers in the college entrance examination over the years, analytic geometry problems have a special status and can successfully solve the problem Problems often become the key to the success or failure of a student’s entire exam.Students often have a feeling when learning analytic geometry: the conceptual methods are easy to grasp, the class is easy to hear, but there are always obstacles in solving problems , Or can not find a solution to the problem, or find a problem-solving ideas can not count the results from the teaching point of view,