Straight Lines
Coordinate geometry of straight lines — gradients, the different forms of the equation of a line, parallel and perpendicular lines, midpoints, distance between two points and points of intersection (syllabus 2.1).
Start practising → Formula sheet (PDF) ↗Sample questions
- Easy Gradient from two points No Calculator [3]
- Medium Perpendicular line No Calculator [3]
- Medium Intersection of two lines No Calculator [4]
About this topic
These are original, exam-style questions written to match the IB Mathematics syllabus for Analysis & Approaches HL (Topic 2.1). Every question has a full worked solution with mark allocations matching real IB marking schemes. Questions are labelled Paper 1 or Paper 2.
How to practise
- Open the question bank using the button above.
- Attempt the question, writing out your working.
- Reveal the full worked solution and compare your method step by step.
- Use the difficulty and calculator filters to focus on what you need most.