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给出一个表示变量之间关系的图象,让你想像一下它符合什么样的实际情境,这是考查从图象中灵活地获取信息能力的一种特殊形式.为了做到想像合理,表述清楚、准确,应该先掌握以下几点:1.在图象上,横轴上的点通常表示自变量,纵轴上的点通常表示因变量.2.在路程、速度、时间三者的关系中,要熟悉下面两种图象中各部分所表示的实际意义.
Giving an image that represents the relationship between variables allows you to imagine what kind of actual situation it fits in. This is a special form of examining the ability to obtain information flexibly from images. In order to be imaginative, the statement is clear. Accurate, should first grasp the following points: 1. In the image, the point on the horizontal axis usually represents the independent variable, the point on the vertical axis usually represents the dependent variable. 2. In the relationship between distance, speed, and time , To be familiar with the actual meaning represented by each of the following two images.