Question 18 — IGCSE 0580 May/June 2024 Paper 21
Cambridge IGCSE Mathematics 0580, Extended tier, non-calculator. Topic: Algebra · Basic algebra. Worth 3 marks.
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Question text
18
y
8
7
6
5
4
3
2
1
x
– 3 – 2.5 – 2 – 1.5 – 1 – 0.5 0 0.5 1 1.5
– 1
– 2
– 3
The diagram shows the graph of y = x3+4x2-2 for -3 G x G 1.5 .
By drawing a suitable straight line, solve the equation x3+4x2-2 = 2x for -3 G x G 1.5 .
x = ....................... or x = ....................... [3]
© UCLES 2024 0580/21/M/J/24
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