Use this interactive resource to [br][br]([b]i) explore the different forms of equation [/b]that straight line/ linear function or graph represents.[br](ii)[b] check solutions of problems[/b] set on linear graphs functions.[br][u][b][br]How to use[/b][/u][br][b]Drag the points marked x [/b] to change the gradient and position of points, which will also change the equations (linear functions) of the lines shown.[br]