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一、教材分析1.教材前后联系,地位与作用抛物线及其标准方程是普通高中课程标准实验教科书(人教版)选修2-1中的第二章第四节的内容.学生已经学习了椭圆和双曲线的定义、方程和几何性质,对坐标法已有了初步的认识,这些为学习抛物线奠定了基础;同时,对抛物线的定义、方程的学习能让学生进一步深化对坐标法的认识,也为下一节用代数方法研究抛物线的几何性质做好铺垫.抛物线在生产和科学技术中有广泛的应
First, the textbook analysis 1. Teaching material before and after the link, status and role of Parabolic and its standard equation is the ordinary high school curriculum standard experimental textbook (PEP) elective 2-1 in the second quarter of the fourth section of the content. Students have learned elliptical And hyperbolic definition, equation and geometric properties of the coordinate method has been a preliminary understanding of these pave the way for learning to lay the foundation; the same time, the definition of the parabola, equation learning allows students to further deepen their understanding of the coordinate method, It also paves the way for the next section to study the geometry of parabolas algebraically. Parabolas are widely used in production and in science and technology