Click to explore updated revision resources for GCSE Maths: y = mx + c, with step-by-step slideshows, quizzes, practice exam questions, and more! Any equation that can be rearranged into the form \(y ...

Parallel lines are a fixed distance apart and will never meet, no matter how long they are extended. Lines that are parallel have the same gradient. The graphs above, \(y = 2x + 1\) and \(y = 2x - 2\) ...