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 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 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 ...
Apparatus & Techniques: Using an Optical Microscope Many biological structures are too small to be seen by the naked eye Optical microscopes are an invaluable tool for scientists as they...
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...
Edexcel IGCSE Maths 复习笔记 2.17.1 Inequalities on Graphs - Drawing How do we draw inequalities on a graph? First, see Straight Line Graphs and Linear Inequalities Once you do… DRAW the line...
Edexcel IGCSE Maths 复习笔记 2.16.2 Solving Inequalities - Quadratic What is a quadratic inequality? An Inequality tells you that one expression is greater than (“>”) or less than (“<”) anoth...
Edexcel IGCSE Maths 复习笔记 2.16.1 Solving Inequalities - Linear What is a linear inequality? An Inequality tells you that one expression is greater than (“>”) or less than (“<”) another “⩾”...
Apparatus & Techniques: Dissection Dissections are a vital part of scientific research They allow for the internal structures of organs to be examined so that theories can be made about ...
