Quadratic Models What are the parameters of a quadratic model? This is given in the formula booklet as the axis of symmetry What can be modelled as a quadratic model? These can be used if the graph...
Edexcel IGCSE Physics 复习笔记 2.2.2 Voltage in Series & Parallel Voltage in Series & Parallel In a series circuit: The current is the same at all points ie. through each component T...
Linear Models What are the parameters of a linear model? The m represents the rate of change of the function This is the amount the function increases/decreases when x increases by 1 If the functio...
Quadratic Functions & Graphs What are the key features of quadratic graphs? If a is positive then the vertex is the minimum point If a is negative then the vertex is the maximum point Exam Tip ...
Graphing Functions How do I graph the function y = f(x)? What is the difference between “draw” and “sketch”? If asked to sketch you should: Show the general shape Label any key points such as the i...
Language of Functions What is a mapping? A mapping transforms one set of values (inputs) into another set of values (outputs) Mappings can be: One-to-one Each input gets mapped to exactly one uniqu...
小伙伴们还记得吗？年初的时候帝国理工商学院开了第一个本科专业——Economics, Finance and Data Science（经济、金融与数据科学），引起不小轰动。最近，帝国理工生物工程学院也悄悄增加了一个新的本科专业——BSc ...
Equations of a Straight Line How do I find the gradient of a straight line? Find two points that the line passes through with coordinates (x1, y1) and (x2, y2) The gradient between these two points...
Amortisation What is amortisation? Amortisation is the process of repaying a loan over a fixed period of time Most commonly questions will be about mortgages (loans taken out to buy a home) or loan...
最近几年，国内的就业市场可以说是“卷”的厉害，好多双一流毕业生纷纷投入体制的怀抱……海归国内就业现状怎么样？为了探究应届留学生的真实就业情况，猎聘大数据研究院发布《2022海外应届留学生就业竞争力洞察报告...
Compound Interest What is compound interest? Interest is a small percentage paid by a bank or company that is added on to an initial investment Interest can also refer to an amount paid on a loan o...
Many real-life situations can be modelled using sequences and series, including but not limited to: patterns made when tiling floors; seating people around a table; the rate of change of a populati...
