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Videos to help GCSE Maths students learn how to obtain the equations of perpendicular and parallel lines.

How to find the equations of parallel and perpendicular lines?

The gradients for Parallel Lines are equal.

The gradients for Perpendicular lines are negative reciprocals.

Finding equations of parallel and perpendicular lines 1

More on using straight line equations in gradient-intercept form (y = mx + c) to solve problems involving parallel and perpendicular lines.

More on using straight line equations in gradient-intercept form (y = mx + c) to solve problems involving parallel and perpendicular lines.

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