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Quick Check 2
Using your calculator, work through these exercises to gauge your mathematics
skills and 'calculator skills'.
18
1. Evaluate
(a)
C
8
2. What is the output of Pol (3,4)? How about Pol (6,8) and Pol (12,5)?
3. The following is the Mathematics test scores of 30 students.
37
38
38
54
57
57
79
79
79
∑
Find
(a)
x ,
4. AOB is a sector of a circle with centre at O and radius 5.2cm.
π
∠
Given that
AOB
=
7
5. In how many ways can 12 students sit in 5 chairs arranged in a row?
6. A golf club has 32 members which includes 5 doctors, 4 lawyers and 3 engineers. In how
many ways can a committee of 5 be chosen if it is to contain one of each of these
professions.
A
7.
6.4cm
5.5cm
B
10cm
To check answers please see page 20 of this booklet.
11
(b)
39
41
45
57
62
66
88
90
90
(b) mean,
, find the area of the shaded region.
ABC is a triangle in which AC = 6.4cm, BC = 10cm
and AB = 5.5cm. Find
∠
(a)
ABC
C
P
5
45
45
45
70
72
77
90
92
95
(c) standard deviation.
5.2cm
π
O
7
∠
(b)
sin
BAC
.
(c) 9!
49
77
98
A
B
23
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