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平面向量具有代数和几何的双重属性,是连接代数和几何的桥梁.而平面直角坐标系则是沟通平面向量的代数性质与几何性质的桥梁.有了坐标,向量才有能量,才有用武之地.笔者认为,在教学“平面向量”时,教师若能引导学生用好坐标系这一工具,化繁为简,将收到事半功倍的效果.本文以近几年全国各省市的几道高考真题为例,谈谈坐标法在解决平面向量问题中的应用.
Plane vector with algebraic and geometric properties of double, is a bridge connecting algebra and geometry, while the plane rectangular coordinate system is the algebraic nature of the communication plane vector and the nature of the geometry of the bridge. With the coordinates, the vector only have the energy to have useless In my opinion, when teaching “plane vector”, if teachers can guide students to make good use of coordinate system, this method will simplify the course and receive more effective results.This paper takes several college entrance examinations in various provinces and cities in recent years Zhenti as an example, talk about coordinate method in solving the problem of plane vector application.