【教学目的及要求】一、知识目标1.依据直线与圆的方程,能熟练求出它们的交点坐标。2.能熟练运用几何法或代数法判断直线与圆的位置关系。二、能力目标1.通过两种方法判断直线与圆的位置关系,进一步培养学生用解析法解决问题的能力。2.通过两种方法的比较,培养学生分析问题和灵活应用所学知识解决问题的能力。三、德育目标 【Teaching purposes and requirements】 First, the knowledge of the target 1. According to the equation of the straight line and the circle, can skillfully find their intersection coordinates. 2. Be proficient in using geometric or algebraic method to determine the position of the line and the circle. Second, the ability to target 1 through two methods to determine the relationship between the position of the line and the circle, and further training students ability to solve problems using analytical methods. Through the comparison of the two methods, we can train the students to analyze the problem and flexibly apply the learned knowledge to solve the problem. Third, moral goals