AQA A Level Maths: Pure复习笔记2.8.2 Composite Functions
Composite Functions What is a composite function? A composite function is where one function is applied after another function The ‘output’ of one function will be the ‘input’ of the next on...
AQA A Level Maths: Pure复习笔记2.8.1 Language of Functions
Language of Functions Language of functions The language of functions has many keywords associated with it that need to be understood What are mappings? A mapping takes an ‘inp...
AQA A Level Maths: Pure复习笔记2.7.4 Proportional Relationships
Proportional Relationships Proportional relationships Proportional relationships describe a proportional connection between two variables This can happen in two ways Direct proportion one va...
AQA A Level Maths: Pure复习笔记2.7.3 Solving Equations Graphically
Solving Equations Graphically Solving (simultaneous) equations graphically This is a way to solve simultaneous equations (see Simultaneous Equations) Coordinates of the intersections are the...
AQA A Level Maths: Pure复习笔记2.7.2 Reciprocal Graphs - Sketching
Reciprocal Graphs - Sketching What are reciprocal graphs? Reciprocal graphs involve equations with an Χ term on the denominator e.g. There are two basic reciprocal graphs to know for A level...
AQA A Level Maths: Pure复习笔记2.7.1 Sketching Polynomials
Sketching Polynomials Sketching the graph of a polynomial Remember a polynomial is any finite function with non-negative indices, that could mean a quadratic, cubic, quartic or higher power ...
AQA A Level Maths: Pure复习笔记2.6.2 Improper Algebraic Fractions
Improper Algebraic Fractions What are top-heavy (improper) rational expressions (or algrbraic fractions)? The degree of the numerator is greater than or equal to the degree of the denominato...
AQA A Level Maths: Pure复习笔记2.6.1 Rational Expressions
Rational Expressions (Algebraic Fractions) What are rational expressions? Rational numbers are numbers that can be written as a fraction (quotient)Rational comes from ratio – a number is rat...
AQA A Level Maths: Pure复习笔记2.5.4 Factorisation
Polynomial Factorisation What is polynomial factorisation? Factorising a polynomial combines the factor theorem with the method of polynomial division The goal is to break down a polynomial ...
