A Level Maths: Parallel And Perpendicular Lines Revision Notes

Use the gradient conditions for parallel (equal gradients) and perpendicular (gradients multiply to -1) lines to find equations and solve coordinate geometry problems.

To put these notes into practice, try our A Level Maths exam questions by topic, which include OCR and Edexcel material with full mark schemes.

When you’re ready, move on to full A Level Maths past papers to practise under exam conditions.