二次函数是初中数学的重要内容,在中考中所占的分值特别大,下面举例谈谈二次函数的主要考点.专题一函数概念二次函数的定义是非常重要的概念,也是中考常考的考点之一,中考中常以填空题、选择题的客观题形势出现,考察函数关系的确定和函数的图象的综合应用. Quadratic function is an important part of junior high school mathematics, in the senior high school entrance examination in the score is particularly large, the following example to talk about the main test point of the quadratic function. The concept of a function The definition of quadratic function is a very important concept, One of the test sites, often fill in the middle of the test questions, multiple-choice questions appear objective problems, examine the relationship between the function of the determination and the function of the image of the integrated application.