A straight line can be drawn by joining two points plotted on a grid. The coordinates of the mid-point of the line and the length of the line can be calculated using the coordinate values. Before you ...
Before you start, it may be helpful to read the guides on coordinates and graphs from Module 2 (M2) and Module 3 (M3). When two lines are perpendicular, the product of their gradients is 1. Lines A ...
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