中考出分后上海国际高中秋招补录名额学校盘点
每年中考出分后的时间，很多家长都在想，孩子选校还有没有更好的选择？当然有！ 想要转轨国际教育的家庭，现在报名国际高中秋招入学考试还来得及！中考高分的同学还能拿到高额奖学金！ 对于初入魔都国际择校圈的...
AQA A Level Maths: Pure复习笔记7.3.1 First Principles Differentiation - Trigonometry
First Principles Differentiation - Trigonometry How do I derive the derivatives of trigonometric functions from first principles? Recall that for a function f(x) the definition of the derivative fr...
AQA A Level Maths: Pure复习笔记7.2.6 Modelling with Differentiation inc. Optimisation
Modelling with Differentiation inc. Optimisation How can I use differentiation to solve modelling questions? Derivatives can be calculated for any variables – not just y and x In every case the der...
AQA A Level Maths: Pure复习笔记7.2.5 Sketching Gradient Functions
Sketching Gradient Functions How can I sketch a function's gradient function? Using your knowledge of gradients and derivatives you can use the graph of a function to sketch the corresponding gradi...
AQA A Level Maths: Pure复习笔记7.2.4 Stationary Points & Turning Points
Stationary Points & Turning Points What are stationary points? A stationary point is any point on a curve where the gradient is zero To find stationary points of a function f(x) Step 1: Find th...
AQA A Level Maths: Pure复习笔记7.2.3 Second Order Derivatives
Second Order Derivatives What is the second order derivative of a function? If you differentiate the derivative of a function (ie differentiate the function a second time) you get the second order ...
AQA A Level Maths: Pure复习笔记7.2.2 Increasing & Decreasing Functions
Increasing & Decreasing Functions What are increasing and decreasing functions? A function f(x) is increasing on an interval [a, b] if f'(x) ≥ 0 for all values of x such that a< x < b. If...
AQA A Level Maths: Pure复习笔记7.2.1 Gradients, Tangents & Normals
Gradients, Tangents & Normals Using the derivative to find the gradient of a curve To find the gradient of a curve y= f(x) at any point on the curve, substitute the x‑coordinate of the point in...
AQA A Level Maths: Pure复习笔记7.1.3 Differentiating Powers of x
Differentiating Powers of x How do I differentiate expressions involving powers of x? Powers of x are differentiated according to the following formulae: Differentiating terms with positive integer...
AQA A Level Maths: Pure复习笔记7.1.2 First Principles Differentiation
First Principles Differentiation What is the derivative or gradient function? For a curve y = f(x) there is an associated function called the derivative or gradient function The derivative of f(x) ...
2022年GCSE成绩8月即将公布，评分系统更新！
由于疫情原因，不管是在国内的孩子们还是在国外的孩子们上学、考试都受到了影响。 英国教育局深知学生们在疫情期间受到的影响很大，所以在今年的考试评分也将会相对宽松一些。 那让我们来看看，今年GCSE考试的相...
AQA A Level Maths: Pure复习笔记7.1.1 Definition of Gradient
Definition of Gradient What is the gradient of a curve? At a given point the gradient of a curve is defined as the gradient of the tangent to the curve at that point A tangent to a curve is a line ...
