|
所在平台: Udemy |
课程主页: https://www.udemy.com/course/graphical-representation-of-linear-equations-part-2/
课程评论：没有评论
**课程名称：** 线性方程图示精通：第二部分 **课程概述：** 本课程深入探讨线性方程在实际问题中的应用，侧重于如何利用图示法来解决各种问题。课程将涵盖以下关键内容： 1. **温度转换图表绘制：** * 演示如何绘制摄氏度到华氏度的温度转换图。 * 分析如何将摄氏度转换为华氏度。 * 分析如何将华氏度转换为摄氏度。 2. **特殊温度点的分析：** * 计算 0°C 对应的华氏度。 * 计算 0°F 对应的摄氏度。 3. **同数值温度点的探寻：** * 探讨是否存在一个温度，其摄氏度和华氏度数值相同。 * 教授如何找到这个特殊的温度值。 4. **生活场景的代数与图示建模：** * **捐款问题：** 如何为一个与救济基金相关的捐款情境列出线性方程并绘制图表。 * **年龄问题：** * 分析一个关于七年前父女年龄关系（父亲年龄是女儿的七倍）和三年后关系（父亲年龄是女儿的三倍）的问题。 * 指导如何将此情境转化为代数方程并进行图形化表示。 * **购物问题：** * 解决一个关于苹果和葡萄价格的问题，已知购买不同重量的组合价格。 * 学习如何用代数和几何方式表示这些信息。 * **体育用品购买问题：** * 分析教练购买球棒和球的数量与价格关系。 * 指导如何代数和几何地表示这些购买行为。 5. **图表与方程的匹配：** * 提供四个线性方程和一个图形。 * 教授如何从中选择与给定图形相对应的方程。 **课程风格：** 本课程通过将抽象的数学概念与具体的现实生活场景相结合，帮助学员建立扎实的线性方程理解能力，并熟练运用图示法解决问题。
1. How to draw the graph of the linear equation that converts temperature in Fahrenheit to Celsius?2. If temperature is given in Celsius, how to convert it to Fahrenheit?3. If temperature is given in Fahrenheit, how to convert it to Celsius?4. If the temperature is 0°C, what is the temperature in Fahrenheit, and5. and if the temperature is 0°F, what is the temperature in Celsius?6. Is there a temperature which is numerically the same in both Fahrenheit and Celsius? If yes, how to find it.7. If two students together contribute some amount for relief fund, then how to write a linear equation and draw a graph of the linear equation?8. Seven years ago, age of father is seven times his daughter's age. Also, after three years from now, age of father will be three times his daughter's age. How to represent this situation algebraically and graphically?9. The cost of 2 kg. of apples and 1 kg of grapes is given. Further, the cost of 4 kg. of apples and 2 kg. of grapes is also given. How to representation this situation algebraically and geometrically?10. The coach of a cricket team buys 3 bats and 6 balls for some amount. Later, she buys another bat and 3 more balls for some amount. How to represent this situation algebraically and geometrically?Four equations and a figure are given. How to choose the equation whose graph is given in figure?
