2025年教学资料:6.2直线的方程
授课题目授课时长高等教育出版社《数学》(基础模块下册)6.2直线的方程4课时选用教材授课类型新授课本课首先借助几何直观,结合图像认识直线的倾斜角和斜率的定义,直观认识斜率与倾斜角的之间的变化规律以及求直线斜率的计算公式,学习根据条件计算直线的斜率;然后依次介绍点斜式、斜截式、一般式三种形式的直线方程,并分析点斜式、斜截式方程的几何特征;学习根据已知条件求直线的方程,以及将直线方程的点斜式、斜截式和一般式进行相互转化.教学提示通过学习直线的倾斜角与斜率的概念与直线斜率的计算方法,能计算直线的斜率,逐步提升直观想象和数学运算等核心素养;体会直线的点斜式、斜截式方程和一般式方程的推导过程,感知直线的...
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