0580/23 May/Jun 2021, Question 12: Linear Inequalities
Cambridge IGCSE Mathematics 0580 · Paper 23 (Extended) · Calculator · 2 marks
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The question, in short
Find all integer values of x satisfying the double inequality −3 ≤ 2x − 1 < 3.
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Solution · 2 marks
- 1Add 1: −2 ≤ 2x < 4
- 2Divide by 2: −1 ≤ x < 2
- 3Integers: −1, 0, 1
Answer−1, 0, 1
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