Remember that to find the equation of a straight line you need to know its gradient and a point on the line. In some instances you are told the value of the gradient, however there are times where you ...

Higher - The gradients of two perpendicular lines will always multiply to make –1. Make sure you are familiar with finding the equation of a line and calculating gradient to understand equations of ...

Use this comprehensive equation of a line worksheet as a revision resource. Alternatively, select the parts appropriate to what you are teaching. While you’ll typically introduce the material in this ...