GCSE; Eduqas; Straight line graphs - Eduqas Parallel and perpendicular lines. y = mx + c is an important real-life equation. The gradient, m, represents rate of change (eg, cost per concert ticket ...

Parallel close parallel Parallel lines are always the same distance apart. They never meet. lines have the same gradient close gradient A measure of the slope of a line.. Higher - Perpendicular ...

The ease with which you can create a line graph in Excel on your PC or Mac will do much to dispel the misconception that the program is arcane and unapproachable.. With just three clicks of a ...