0606/22 May/Jun 2025, Question 1: Modulus Equations and Inequalities
Cambridge IGCSE Additional Mathematics 0606 · Paper 22 (Calculator) · Calculator · 4 marks
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The question, in short
Solve the inequality |5x + 2| ≥ 3 for x.
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Solution · 4 marks
- 15x + 2 = 3 or 5x + 2 = −3
- 2Critical values x = 1/5 and x = −1
- 3|5x + 2| ≥ 3 outside the critical values
- 4x ≤ −1 or x ≥ 1/5
Answerx ≤ −1, x ≥ 1/5
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Also searched as: 0606/22/M/J/25 · 0606_s25_qp_22 · 0606 s25 22 · question 1.
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