Alevel数学如何才能拿A*？
A-level数学向来以难度大、要求高而著称，它是很多大学在录取时十分看重的科目，尤其是申请STEM专业，数学基本是必修课。那么，A-level数学如何才能拿到A*？以下几条学习技巧经实践检验真心有效！ 1.不要只学习表...
AQA A Level Maths: Pure复习笔记2.3.1 Linear Simultaneous Equations - Elimination
Linear Simultaneous Equations - Elimination What are simultaneous linear equations? When you have more than one equation in more than one unknown, then you are dealing with simultaneous equa...
AQA A Level Maths: Pure复习笔记2.2.5 Further Solving Quadratic Equations (Hidden Quadratics)
Further Solving Quadratic Equations (Hidden Quadratics) What are hidden quadratic equations? Hidden quadratic equations are quadratics written in terms of a function ƒ(χ) A normal quadratic ...
AQA A Level Maths: Pure复习笔记2.2.4 Solving Quadratic Equations
Solving Quadratic Equations Solving quadratic equations We can solve quadratic equations when they are written in the form If given an unusual looking equation, try to rearrange it into this...
AQA A Level Maths: Pure复习笔记2.2.3 Completing the square
Completing the square What is completing the square? Completing the square is another method used to solve quadratic equations It simply means writing in the form It can be used to help find other ...
AQA A Level Maths: Pure复习笔记2.2.2 Discriminants
Discriminants What is a discriminant? The discriminant is the part of the quadratic formula that is under the square root sign It is sometimes denoted by the Greek letter (capital delta) Ho...
AQA A Level Maths: Pure复习笔记2.2.1 Quadratic Graphs
Quadratic Graphs What are quadratic graphs? The general equation of a quadratic graph is Their shape is called a parabola ("U" shape) Positive quadratics have a value of so the parabola is u...
AQA A Level Maths: Pure复习笔记2.1.3 Surds - Rationalising the Denominator
Surds - Rationalising the Denominator What does it mean to rationalise a denominator? Rationalising a denominator changes a fraction with surds in its denominator, into an equivalent fractio...
AQA A Level Maths: Pure复习笔记2.1.2 Manipulating Surds
Manipulating Surds What are surds? If n is a positive integer and is not a square number, then √n (or any multiple of √n ) is a surd Surds are examples of irrational numbers What do I need t...
