论文部分内容阅读
一、中考对函数、一次函数、反比例函数知识点的考查内容及要求(1)能从具体问题中寻找数量关系和变化规律.(2)了解常量、变量的意义,了解函数的概念和三种表示方法,能举出函数的实际例子.(3)能确定简单的整式、分式和简单实际问题中的函数的自变量取值范围,并会求出函数值.(4)理解平面直角坐标系的有关概念,知道各象限及坐标轴上的点的坐标特征;会求某点关于x轴或y
First, the examination of the function, a function, the inverse proportion function knowledge points of the content and requirements of the test (1) from the specific problems to find the relationship between quantity and change (2) to understand the meaning of constants, variables, to understand the concept of function and three (3) can determine the simple integer, fractional and simple practical problems in the function of the argument range, and will find the function value. (4) to understand the plane rectangular coordinates Department of the relevant concepts, know the coordinates of each quadrant and the coordinates of the axis; will ask for a point on the x-axis or y