解析几何是数学高考的重要内容,直线、圆与圆锥曲线的命题格局基本稳定.解析几何题涉及的知识面广,综合性强,题目新颖,灵活多样,对能力要求较高.主要内容有:求曲线(轨迹)方程的常用方法(定义法、待定系数法、动点转移法、参数法等);综合运用直线的基础知识和圆的性质,解答直线与圆的位置关系的问题;求解直线与圆锥曲线的综合问题. Analytical geometry is an important part of mathematics college entrance examination, and the propositional patterns of straight lines, circles and conic curves are basically stable. Analytical geometry involves a wide range of knowledge, strong comprehensiveness, novel topics, flexible and diverse, and requires a high degree of competence. (The definition method, undetermined coefficient method, moving point transfer method, parameter method, etc.); comprehensive use of the basic knowledge of the line and the nature of the circle, to solve the problem of the relationship between the position of the line and the circle; to solve the problem of straight line Synthesis problem with conic curve.