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2005年普通高中课程标准实验教科书(必修)中增加了关于“函数与方程”这一节内容,旨在用观察函数图象来说明方程解的个数,可以认为这是新课标下的一种新的教学模式———信息技术实验课.其江苏版的教科书“必修1”第80页中有这样一个问题:“例5分别就a=2,a=45和a=21画出函数y=a
2005 General High School Curriculum Standard Experimental Textbook (compulsory) added on the “function and equation” in this section, designed to observe the function of the image to explain the number of equations, you can think this is a new curriculum standard A new teaching mode --- experimental course of information technology.Jiangsu version of the textbook “compulsory 1” on page 80, there is such a problem: "Example 5, respectively, for a = 2, a = 45 and a = 21 draw function y = a