论文部分内容阅读
1 重、难点分析本单元主要学习直角坐标系中如何用方程来表示直线和圆 ,以及进一步研究其性质 ,进而学习一般曲线方程的概念 ,学习用坐标法研究几何问题的思想 .要求了解向量是处理直线方程中许多问题的重要工具 ,坐标法是重要的数学方法这一点 .本单元学习的重点是直线与圆的
1 Analysis of Difficulty and Difficulties This module mainly studies how to use equations to express lines and circles in rectangular coordinate systems, and further study their properties. Then learn the concept of general curve equations and learn the idea of using coordinate methods to study geometric problems. Requirement to understand that vectors are An important tool for dealing with many problems in the equation of a line, the coordinate method is an important mathematical method. The focus of this unit is on straight lines and circles.