The constant term in the equation (the + 1 or ‒ 2) shows the point where the graph crosses the y -axis. This is known as the y -intercept and is represented by the letter c in y = m x + c.

This paper is mainly concerned with the realizability of a set of n integers as the degrees of vertices of an n-vertex linear graph. Other related problems, such as when a set of integers is ...

GCSE AQA Straight line graphs - AQA y = mx + c Graphs show the relationship between two variables and are often seen in newspapers and the media. People who work in professions involving maths and ...