GCSE Secondary Maths Age 13-17 - Graphs: Perpendicular Lines - Explained

The video tutorial explains how to determine if a line is perpendicular to another by analyzing their gradients. It begins with an introduction to coordinates and perpendicular lines, followed by a detailed explanation of the relationship between perpendicular lines and their gradients. The tutorial then demonstrates how to calculate the gradient of a line passing through two points and how to find the gradient of a line perpendicular to it. Finally, it analyzes a given line equation to determine if it is perpendicular to the original line, concluding with a discussion on mark allocation for the problem.

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