Finding the equation of a line
Find m, then substitute a point to find c: from a gradient and a point, from two points, or from a graph.
You will be able to
- Find the equation of a line from its gradient and one point
- Find the equation of a line through two points
- Find the equation of a drawn line
- Rearrange an equation into y = mx + c
25 minutes, 7 exam-style questions, with the Straight-line graphs simulation.