IB Math AI SL · 2021 to 2026
2.1 Equations of a line
26 past paper questions from 13 papers across 9 exam sessions. See what repeats, then practise the same skills with AI marking.
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SL archive · 2021 to 2025
2.1 Equations of a line
Latest exam session: November 2025
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Micro-topics in 2.1 Equations of a line
In syllabus order. The ring is the share of papers each appears in.
- Occasional
last Nov 25 P1 TZ1
- Occasional
last May 24 P1 TZ1
- Occasional
last May 25 P2 TZ2
- Regular
last Nov 25 P1 TZ1
Exam pattern
How often each micro-topic has been examined, year by year. Each label is explained under the grid.
Does it repeat?
Questions per year for each micro-topic.
fewermore
| Micro-topic | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
|---|---|---|---|---|---|---|
| 2Gradient and y-intercept, 2021: 2 questions | ·Gradient and y-intercept, 2022: 0 questions | 1Gradient and y-intercept, 2023: 1 question | ·Gradient and y-intercept, 2024: 0 questions | 3Gradient and y-intercept, 2025: 3 questions | ·Gradient and y-intercept, 2026: 0 questions | |
| 2Linear models in context, 2021: 2 questions | 1Linear models in context, 2022: 1 question | 2Linear models in context, 2023: 2 questions | 6Linear models in context, 2024: 6 questions | 2Linear models in context, 2025: 2 questions | ·Linear models in context, 2026: 0 questions | |
| 1Parallel and perpendicular lines, 2021: 1 question | ·Parallel and perpendicular lines, 2022: 0 questions | 1Parallel and perpendicular lines, 2023: 1 question | ·Parallel and perpendicular lines, 2024: 0 questions | 1Parallel and perpendicular lines, 2025: 1 question | ·Parallel and perpendicular lines, 2026: 0 questions | |
| 1Writing the equation of a straight line, 2021: 1 question | ·Writing the equation of a straight line, 2022: 0 questions | 2Writing the equation of a straight line, 2023: 2 questions | 1Writing the equation of a straight line, 2024: 1 question | ·Writing the equation of a straight line, 2025: 0 questions | ·Writing the equation of a straight line, 2026: 0 questions |
- Occasionalin about one paper in ten
- Regularin roughly one paper in six or more
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Questions on 2.1 Equations of a line, by exam session
Which papers asked about 2.1 Equations of a line, and which question numbers. Open a paper to see them highlighted.
November 2025
1 question across 1 paper
May 2025
2 questions across 2 papers
November 2024
2 questions across 2 papers
May 2024
2 questions across 2 papers
May 2023
3 questions across 2 papers
May 2022
1 question across 1 paper
November 2021
1 question across 1 paper
May 2021
1 question across 1 paper
Specimen 2021
1 question across 1 paper
Every 2.1 Equations of a line question, unlocked
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Frequently asked questions
Short answers about this page.
Which Math AI SL exam sessions are covered for 2.1 Equations of a line?
12 exam sessions from 2021 to 2025, the latest November 2025. Every Paper 1 and 2 in every timezone is read and classified in full, which gives 13 papers in this archive.
Which 2.1 Equations of a line topic comes up most?
Gradient and y-intercept (2.1.1): in 11% of papers, last seen Nov 25 P1 TZ1. Usually "Calculate / Write down", worth about 2 marks in a paper that includes it.
Can I see the original question and mark scheme?
No. The wording belongs to the IB. You get the citation, the marks, the command term and the skill tested, plus our own matched practice questions with worked answers and AI marking.
What do "banker", "due" and "rising" mean?
Banker: examined in at least one sitting in four and still appearing. Due: regular before, but absent for the last two exam sessions. Rising: clearly more common in the last two years. Our classification of real papers, not an IB statistic.
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