Higher - The gradients of two perpendicular lines will always multiply to make –1. Make sure you are familiar with finding the equation of a line and calculating gradient to understand equations of ...

A complete lesson on understanding how to find the equation of perpendicular and parallel lines. This lesson focuses on the key aspects of teaching: What students are learning. Why students are ...

In this video series I show you how to determine a line that is parallel or perpendicular to another line through a point. When dealing with parallel and perpendicular lines it is important to know ...

This IB Maths AI SL 3.5 resource introduces the equations of perpendicular bisectors and is fully aligned with the IB Applications and Interpretation SL syllabus. Students learn how to determine the ...