Question 7 — IGCSE 0580 Oct/Nov 2023 Paper 31
Cambridge IGCSE Mathematics 0580, Core tier, calculator. Topic: Algebra · Basic algebra. Worth 13 marks.
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Question text
7 (a) Simplify.
5a+3b+2a-4b
................................................. [2]
(b) P = 8x+3y
Find the value of x when P = 21 and y =-5.
x = ................................................ [2]
(c) Make v the subject of the formula S = kv2.
v = ................................................ [2]
(d) Multiply out and simplify.
(x-3)(x+5)
................................................. [2]
© UCLES 2023 0580/31/O/N/23
13
(e) Nasser has x marbles.
Selina has 15 more marbles than Nasser.
Hanif has 3 times as many marbles as Selina.
In total they have 150 marbles.
Find the value of x.
x = ..................................................[5]
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14
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