0606/23 May/Jun 2025, Question 1: Quadratic Inequalities
Cambridge IGCSE Additional Mathematics 0606 · Paper 23 (Calculator) · Calculator · 2 marks
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The question, in short
Solve the inequality (x + 2)(4x − 5) ≤ 0 for x.
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Solution · 2 marks
- 1Critical values: x = −2 and x = 5/4
- 2The quadratic is ≤ 0 between its roots
- 3−2 ≤ x ≤ 5/4
Answer−2 ≤ x ≤ 5/4
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Also searched as: 0606/23/M/J/25 · 0606_s25_qp_23 · 0606 s25 23 · question 1.
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