Edexcel IGCSE Maths 复习笔记 3.7.1 Perpendicular Lines
Edexcel IGCSE Maths 复习笔记 3.7.1 Perpendicular Lines What are perpendicular lines? You should already know that PARALLEL lines have equal gradients PERPENDICULAR LINES do meet each other and wher...
Edexcel IGCSE Maths 复习笔记 3.6.2 Straight Lines - Drawing Graphs
Edexcel IGCSE Maths 复习笔记 3.6.2 Straight Lines - Drawing Graphs How do we draw the graph of a straight line from an equation? Before you start trying to draw a straight line, make sure you under...
Edexcel IGCSE Maths 复习笔记 3.6.1 Straight Lines - Finding Equations
Edexcel IGCSE Maths 复习笔记 3.6.1 Straight Lines - Finding Equations Why do we want to know about straight lines and their equations? Straight Line Graphs (Linear Graphs) have lots of uses in math...
Edexcel IGCSE Maths 复习笔记 3.5.1 Coordinates
Edexcel IGCSE Maths 复习笔记 3.5.1 Coordinates What are coordinates? When we want to plot a point on a graph we need to know where to put it If the horizontal axis is labelled x and the vertical ax...
Edexcel IGCSE Maths 复习笔记 3.4.3 Drawing Graphs - Trig Graphs
Edexcel IGCSE Maths 复习笔记 3.4.3 Drawing Graphs - Trig Graphs Why do we need to know what trigonometric graphs look like? Trigonometric Graphs are used in various applications of mathematics – fo...
Edexcel IGCSE Maths 复习笔记 3.4.2 Drawing Graphs -Using a Table
Edexcel IGCSE Maths 复习笔记 3.4.2 Drawing Graphs -Using a Table How do we draw a graph using a table of values? Use your calculator THINK what the graph might look like – see the previous notes on...
Edexcel IGCSE Maths 复习笔记 3.4.1 Drawing Graphs - Shapes
Edexcel IGCSE Maths 复习笔记 3.4.1 Drawing Graphs - Shapes Why do we need to know what graphs look like? Graphs are used in various aspects of mathematics – but in the real world they can take on s...
Edexcel IGCSE Maths 复习笔记 3.3.2 Speed-Time Graphs
Edexcel IGCSE Maths 复习笔记 3.3.2 Speed-Time Graphs What is a speed-time graph? Speed-time graphs show speed at different times Speed is on the vertical axis, and time is on the horizontal axis. &...
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 ...
