Page 47 - Spotlight A+ SPM Additional Mathematics Form 4 & 5

SPM Model Paper Additional Mathematics
(b) On the answer space below, sketch the graph (b) The height, h m, of a hit golf ball from a
of y = |2x – 5| for 0 < x < 6. Hence, find the surface of field after t seconds is given by the
range of value x such as y < 3. [3 marks] function h(t) = 20t – 5t . Find
2
(i) the time taken, t when the golf ball
y touches the surface of the field again.
(ii) the maximum height, h reached by the
golf ball.
Hence, in the answer space below,
sketch the graph of h against t for the
movement of the golf ball. [3 marks]
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Answer:
(b) (i)

x
0

3. (a) If a and b are the roots for quadratic (ii)
equations x + px + q = 0, such as p and q
2
are constant, express a b + b a in terms of SPM MODEL PAPER
2
2
p and q. [2 marks]
Answer:
(a)

h (meter)

t (seconds)
0

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Model Paper Spotlight Add Math F5.indd 419 20/04/2021 10:37 AM