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图象信息应用题取材来源广泛，蕴含的信息量丰富，突出对考生收集、整理与加工信息的能力的考查。这类试题已成为中考的热点，本文以近年的中考题加以说明。 解答这类试题的核心是“识图”和“用图”。一般步骤是：(1)观察图形，捕捉有效信息；(2)对已获得的信息进行加工，整理，分清变量之间的关系；(3)选择适当的方法建立数学模型加以解决；(4)按照题意
The image information application questions have a wide range of sources and contain a rich amount of information, highlighting the examinee’s ability to collect, sort, and process information. This kind of test has become a hot topic in the exam. This article uses the recent examination questions to illustrate. The core of answering this type of questions is “reading pictures” and “using pictures.” The general steps are: (1) Observe the graph and capture the valid information; (2) Process, sort, and clarify the relationship between the obtained information; (3) Choose the appropriate method to establish the mathematical model to solve; (4) According to the question