直线和曲线位置关系是解析几何的重要内容.借助直线和曲线位置关系来寻求变量范围是解析几何中综合性最强的问题,这种问题往往是关系错综复杂,处理起来费时费力,但它是高中数学各种综合性考试中必定会考到的问题类型,它区分度好,对考生能力要求高;理解了这个类型的问题,就会融会贯通解析几何的所有内容.因此掌握它是十分必要的.处理直线和曲线位置关系问题,一般都是 The relationship between line and curve is an important part of analytic geometry.It is the most comprehensive problem in analytic geometry to find out the range of variables by the relationship between the line and the curve.It is often complex and time- It is necessary to master the types of questions that will surely be taken into account in various comprehensive examinations of mathematics, which are well-differentiated and require a high degree of competence on the part of the examinee. Understanding this type of question will result in the mastery of all aspects of the geometry. Straight line and curve position relationship problems, are generally