Question Paper & Mark Scheme (Merged)
Friday 23 May 2025 [VERIFIED]
, 2
Section A
Answer all questions in the spaces provided.
1 A curve C has equation
y = (x + a)2
where a is a positive constant.
Identify which one of the graphs represents C
Tick ( ) one box.
[1 mark]
a
a
–a
–a
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, 3
Do not write
outside the
box
2 Given that
f (x) = 3x2
Find f (x)
Circle your answer.
[1 mark]
6 6x x3 1.5x3
Turn over for the next question
Turn over U
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, 4
Do not write
outside the
box
3 ABC is the cross‑section of a triangular prism.
The length of AB is 6 cm and the length of AC is 10 cm as shown in the diagram.
A
6 cm 10 cm
B C
The prism has length 20 cm and volume 500 cm3
Find the size of the obtuse angle CAB
Give your answer to the nearest degree.
[4 marks]
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