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 ...

In this case both the slope and the y intercept are known and the equation can be written directly. For example if the slope is -2 and the y intercept is (0,6), then the equation is In this case the ...