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教学目标1.知识与技能掌握直线与抛物线的位置关系的判断方法,能利用所学知识解决相关问题;2.过程与方法类比直线与椭圆、直线与双曲线的位置关系问题,研究直线与抛物线的位置关系问题,数形结合解决直线与抛物线的综合题。重点:掌握直线和抛物线的位置关系的判断方法。难点:熟练掌握直线和抛物线的位置关系的应用。复习引入1.直线与椭圆、双曲线位置关系的判断方法(1)根据几何图形直接判断;
Teaching Objectives 1. Knowledge and skills to master the line and the parabola to determine the location of the relationship between the method, can use the knowledge to solve the problem; 2. Process and method analogy the relationship between the linear and elliptical, linear and hyperbolic positional relationship, The relationship between the location of the problem, the number of forms to solve the combination of straight and parabolic problems. Focus: Grasp the relationship between the line and the parabola to determine the location. Difficulties: Proficiency in the relationship between the position of the linear and parabolic applications. Review the introduction 1. Straight line and ellipse, hyperbola position relationship judgment (1) According to the direct determination of geometric patterns;