Edexcel IGCSE Maths 复习笔记 3.3.1 Distance-Time Graphs
What is a distance-time graph? Distance-time graphs show distance from a fixed point at different times Distance is on the vertical axis, and time is on the horizontal axis. The gradient of ...
Edexcel IGCSE Maths 复习笔记 3.2.4 Functions - Domain, Range & Exclusions
Edexcel IGCSE Maths 复习笔记 3.2.4 Functions - Domain, Range & Exclusions What are functions? Functions are a formal way of writing mathematical expressions eg. f(x) = 3x + 2 would be a linear ...
Edexcel IGCSE Maths 复习笔记 3.2.3 Inverse Functions
Edexcel IGCSE Maths 复习笔记 3.2.3 Inverse Functions What is an inverse function? An inverse function does the exact opposite of the function it came from Eg. if the function “doubles the number an...
Edexcel IGCSE Maths 复习笔记 3.2.2 Compound Functions
Edexcel IGCSE Maths 复习笔记 3.2.2 Compound Functions What is a compound function? A compound function is one function applied to the output of another function What do compound functions look like...
Edexcel IGCSE Maths 复习笔记 3.2.1 Functions - Basics
Edexcel IGCSE Maths 复习笔记 3.2.1 Functions - Basics What is a function? A function is simply a mathematical “machine” that takes one set of numbers and changes them into another set of numbers ac...
Edexcel IGCSE Maths 复习笔记 3.1.3 Arithmetic Sequences - Sum of n terms
Edexcel IGCSE Maths 复习笔记 3.1.3 Arithmetic Sequences - Sum of n terms What is an arithmetic sequence or arithmetic series? Ensure you are familiar with Sequences – Basics and Linear  ...
Edexcel IGCSE Maths 复习笔记 3.1.2 Sequences - Linear
Edexcel IGCSE Maths 复习笔记 3.1.2 Sequences - Linear What is a sequence? A sequence is simply a set of numbers (or objects) in an order What is a linear sequence? A linear sequence is one where th...
Edexcel IGCSE Maths 复习笔记 3.1.1 Sequences - Basics
Edexcel IGCSE Maths 复习笔记 3.1.1 Sequences - Basics What are sequences? A sequence is an order set of (usually) numbers Each number in a sequence is called a term The location of a term within a ...
Edexcel IGCSE Maths 复习笔记 2.17.2 Inequalities on Graphs - Interpreting
Edexcel IGCSE Maths 复习笔记 2.17.2 Inequalities on Graphs - Interpreting How do we interpret inequalities on a graph? First, see Inequalities and Straight Line Graphs Once you do… Write down...
