C A R I B B E A N E X A M I N A T I O N S C O U N C I L - CSEC Math Tutor
CARIBBEAN EXAMINATIONS COUNCIL
CARIBBEAN SECONDARY EDUCATION CERTIFICATE?
EXAMINATION
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05 JANUARY 2021 (a.m.)
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TEST CODE 0 1 2 3 4 0 2 0
SUBJECT
MATHEMATICS ? Paper 02
PROFICIENCY
GENERAL
REGISTRATION NUMBER
SCHOOL/CENTRE NUMBER
NAME OF SCHOOL/CENTRE
CANDIDATE'S FULL NAME (FIRST, MIDDLE, LAST)
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DATE OF BIRTH
D DMM Y Y Y Y
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DO THIWS RPIATGEEONNOT
FORM TP 2021019
TEST CODE 01234020
JANUARY 2021
CARIBBEAN EXAMINATIONS COUNCIL
CARIBBEAN SECONDARY EDUCATION CERTIFICATE? EXAMINATION
MATHEMATICS
Paper 02 ? General Proficiency
2 hours 40 minutes
READ THE FOLLOWING INSTRUCTIONS CAREFULLY.
1. This paper consists of TWO sections: I and II.
2. Section I has SEVEN questions and Section II has THREE questions.
3. Answer ALL questions.
4. Write your answers in the spaces provided in this booklet.
5. Do NOT write in the margins.
6. All working MUST be clearly shown.
7. A list of formulae is provided on page 4 of this booklet.
8. If you need to rewrite any answer and there is not enough space to do so on the original page, you must use the extra page(s) provided at the back of this booklet. Remember to draw a line through your original answer.
9. If you use the extra page(s) you MUST write the question number clearly in the box provided at the top of the extra page(s) and, where relevant, include the question part beside the answer.
10. ALL diagrams in this booklet are NOT drawn to scale, unless otherwise stated.
Required Examination Materials
Electronic calculator Geometry set
DO NOT TURN THIS PAGE UNTIL YOU ARE TOLD TO DO SO.
Copyright ? 2019 Caribbean Examinations Council
All rights reserved.
01234020/J/CSEC 2021
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LIST OF FORMULAE Volume of a prism
Volume of a cylinder Volume of a right pyramid Circumference
Page 4
V = Ah where A is the area of a cross-section and h is the perpendicular length. V = r2h where r is the radius of the base and h is the perpendicular height. V = --13 Ah where A is the area of the base and h is the perpendicular height. C = 2r where r is the radius of the circle.
Arc length
S = ---- ? 2r where is the angle subtended by the arc, measured in 360
degrees.
Area of a circle Area of a sector
A = r2 where r is the radius of the circle. A = ---- ? r2 where is the angle of the sector, measured in degrees.
360
Area of a trapezium
A = --1 (a + b) h where a and b are the lengths of the parallel sides and h 2
is the perpendicular distance between the parallel sides.
Roots of quadratic equations If ax2 + bx + c = 0,
Trigonometric ratios Area of a triangle Sine rule
then x = --?b--+--2b--a2 ?--4a--c sin = --lele-- nnggt--htho--offo--hpyp--poost-- ieten--usisde--e cos = --len--gt--h o--f a--dja--ce--nt -- sid--e
length of hypotenuse tan = --le-- ngt--h o--f o--pp--os-- ite --sid--e
length of adjacent side
Area of height.
=
--12
bh
where
b
is
the
length
of
the
base
and
h
is
the
perpendicular
Area of ABC = --12 ab sin C Area of ABC = s (s ? a) (s ? b) (s ? c)
where s = --a--+ b--+--c 2
--sina--A = --sinb--B = --sinc--C
Cosine rule 01234020/J/CSEC 2021
a2 = b2 + c2 ? 2bc cos A
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DO NOT WRITE IN THIS AREA
SECTION I Answer ALL questions. All working must be clearly shown.
1. (a)
(i) Using a calculator, or otherwise, calculate the EXACT value of 1 --4 + --2 ? 1 --5 . 73 6
Page 5
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................................................................................................................................. (2 marks)
(ii) Write the value of --3 2--7 as a fraction in its LOWEST terms. 92
DO NOT WRITE IN THIS AREA
................................................................................................................................. (2 marks)
01234020/J/CSEC 2021
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