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解析几何是高中数学的主干知识之一,在高考中一般有2~3道选择、填空题,1道解答题.选择题、填空题主要考查直线与圆的方程、圆锥曲线的方程及其简单的几何性质,考查点相对单一;解答题则以圆锥曲线为依托,全面考查圆锥曲线的方程、直线与圆锥曲线的位置关系,考查解决解析几何问题的基本方法,考查各种数学思想在解决解析几何问题中的应用,具有一定的难度.近年来,高考中解析几何综合题的难
Analytic geometry is one of the main knowledge of high school mathematics. In the college entrance examination, there are generally 2 to 3 choices, fill in blank questions, and 1 answer question. The multiple choice questions and fill in blank questions mainly examine the equations of straight lines and circles, the equations of conic curves and their simplicity. The geometric nature of the test points is relatively single; the answer questions are based on conic curves, comprehensively examining the equations of the conic curve, the positional relationship between the straight line and the conic section, examining the basic methods for solving analytical geometric problems, and examining various mathematical ideas in solving the analysis. The application of geometric problems has a certain degree of difficulty. In recent years, it has been difficult to solve geometric problems in the college entrance examination.