Unit 3 · Geometry & Trigonometry · Topic 3.16

IB Math AI HL — Route algorithms (HL only)

Topic 3.16 of IB Mathematics: Applications and Interpretation covers Route algorithms (HL only), which is part of Unit 3: Geometry & Trigonometry. Students explore key concepts including Spanning trees & shortest path, Route inspection & travelling salesman. A strong understanding of route algorithms (hl only) is essential for IB Math AI HL exams and builds the foundation for connected topics across the syllabus.

Exam technique guide Practice questions

What you'll learn in Topic 3.16

3.16.1 Spanning trees & shortest path
3.16.2 Route inspection & travelling salesman

Suggested study order: Read the notes for each sub-topic below → test yourself with flashcards → attempt practice questions → review exam technique.

Study resources — 3.16 Route algorithms (HL only)

3.16.1

Spanning trees & shortest path

Notes

3.16.2

Route inspection & travelling salesman

Notes

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Topic 3.16 Route algorithms (HL only) forms a core part of Unit 3: Geometry & Trigonometry in IB Math AI HL. Mastering these concepts will strengthen your understanding of connected topics across the syllabus and prepare you for exam questions that require analysis, evaluation, and real-world application.

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