0580/13 Oct/Nov 2025, Question 13: Linear Inequalities
Cambridge IGCSE Mathematics 0580 · Paper 13 (Core) · Non-calculator · 2 marks
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The question, in short
A number line from −6 to 3 shows a filled circle at −5 joined to an open circle at 1; write the inequality this represents.
Summarised in our own words. Use the official paper for the exact wording and the diagram.
Solution · 2 marks
- 1Filled circle at −5 means −5 is included: −5 ≤ x
- 2Open circle at 1 means 1 is not included: x < 1
- 3−5 ≤ x < 1
Answer−5 ≤ x < 1
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