Description: 👉 Learn all about writing the equation of a line. The equation of a line is such that its highest exponent on its variable(s) is 1. (i.e. there are no exponents in its variable(s)).

Learn how to determine if two vectors are orthogonal, parallel or neither. You can setermine whether two vectors are parallel ...

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 ...

Find the refreshed revision resources for GCSE Maths: Parallel and perpendicular lines, with step-by-step slideshows, quizzes, practice exam questions, and more! The graphs above, \(y = 2x + 1\) and \ ...