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Candidate session number
M16/5/MATME/SP1/ENG/TZ2/XX
Mathematics
Standard level
Paper 1
© International Baccalaureate Organization 2016
15 pages
Instructions to candidates
y
y Write your session number in the boxes above.
y
y Do not open this examination paper until instructed to do so.
y
y You are not permitted access to any calculator for this paper.
y
y Section A: answer all questions in the boxes provided.
y
y Section B: answer all questions in the answer booklet provided. Fill in your session number
on the front of the answer booklet, and attach it to this examination paper and your
cover sheet using the tag provided.
y
y Unless otherwise stated in the question, all numerical answers should be given exactly or
correct to three significant figures.
y
y A clean copy of the mathematics SL formula booklet is required for this paper.
y
y The maximum mark for this examination paper is [90 marks].
1 hour 30 minutes
Tuesday 10 May 2016 (afternoon)
2216–7305
16EP01
Clases de Matemáticas y Física para Bachillerato Internacional
WhatsApp +51976438482 www.teoteves.com
WhatsApp +51976438482 www.teoteves.com
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– 2 –
Full marks are not necessarily awarded for a correct answer with no working. Answers must be
supported by working and/or explanations. Where an answer is incorrect, some marks may be given
for a correct method, provided this is shown by written working. You are therefore advised to show
all working.
Section A
Answer all questions in the boxes provided. Working may be continued below the lines if necessary.
1. [Maximum mark: 6]
The following diagram shows part of the graph of a quadratic function f .
1 2 3 4
–1
x
y
0
5 6 7
The vertex is at (3, −1) and the x-intercepts at 2 and 4.
The function f can be written in the form f (x) = (x − h)2
+ k.
(a) Write down the value of h and of k. [2]
The function can also be written in the form f (x) = (x − a)(x − b).
(b) Write down the value of a and of b. [2]
(c) Find the y-intercept. [2]
(This question continues on the following page)
16EP02
M16/5/MATME/SP1/ENG/TZ2/XX
Clases de Matemáticas y Física para Bachillerato Internacional
WhatsApp +51976438482 www.teoteves.com
WhatsApp +51976438482 www.teoteves.com
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– 3 –
Turn over
(Question 1 continued)
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16EP03
M16/5/MATME/SP1/ENG/TZ2/XX
Clases de Matemáticas y Física para Bachillerato Internacional
WhatsApp +51976438482 www.teoteves.com
WhatsApp +51976438482 www.teoteves.com
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– 4 –
2. [Maximum mark: 5]
There are 10 items in a data set. The sum of the items is 60.
(a) Find the mean. [2]
The variance of this data set is 3. Each value in the set is multiplied by 4.
(b) (i) Write down the value of the new mean.
(ii) Find the value of the new variance. [3]
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16EP04
M16/5/MATME/SP1/ENG/TZ2/XX
Clases de Matemáticas y Física para Bachillerato Internacional
WhatsApp +51976438482 www.teoteves.com
WhatsApp +51976438482 www.teoteves.com
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– 5 –
Turn over
3. [Maximum mark: 6]
Let x = ln3 and y = ln5. Write the following expressions in terms of x and y.
(a) ln
5
3





 . [2]
(b) ln45. [4]
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16EP05
M16/5/MATME/SP1/ENG/TZ2/XX
Clases de Matemáticas y Física para Bachillerato Internacional
WhatsApp +51976438482 www.teoteves.com
WhatsApp +51976438482 www.teoteves.com
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– 6 –
4. [Maximum mark: 6]
Three consecutive terms of a geometric sequence are x − 3, 6 and x + 2.
Find the possible values of x.
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16EP06
M16/5/MATME/SP1/ENG/TZ2/XX
Clases de Matemáticas y Física para Bachillerato Internacional
WhatsApp +51976438482 www.teoteves.com
WhatsApp +51976438482 www.teoteves.com
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– 7 –
Turn over
5. [Maximum mark: 8]
The following diagram shows a triangle ABC and a sector BDC of a circle with centre B and
radius 6cm. The points A, B and D are on the same line.
diagram not
to scale
A
B
D
C
6
2 3
AB cm
= 2 3 , BC = 6cm, area of triangle ABC cm2
= 3 3 , ˆ
ABC is obtuse.
(a) Find ˆ
ABC . [5]
(b) Find the exact area of the sector BDC. [3]
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16EP07
M16/5/MATME/SP1/ENG/TZ2/XX
Clases de Matemáticas y Física para Bachillerato Internacional
WhatsApp +51976438482 www.teoteves.com
WhatsApp +51976438482 www.teoteves.com
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– 8 –
6. [Maximum mark: 7]
Let f (x) = 6x 1− x2
, for −1 ≤ x ≤ 1,and g(x) = cos (x), for 0 ≤ x ≤ π .
Let h(x) = ( f ° g)(x).
(a) Write h(x) in the form asin(bx), where a, b∈. [5]
(b) Hence find the range of h. [2]
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 
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16EP08
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Clases de Matemáticas y Física para Bachillerato Internacional
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– 9 –
Turn over
7. [Maximum mark: 7]
Let u = −3i + j + k and v = mj + nk, where m, n∈. Given that v is a unit vector
perpendicular to u, find the possible values of m and of n.
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 
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16EP09
M16/5/MATME/SP1/ENG/TZ2/XX
Clases de Matemáticas y Física para Bachillerato Internacional
WhatsApp +51976438482 www.teoteves.com
WhatsApp +51976438482 www.teoteves.com
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– 10 –
Do not write solutions on this page.
Section B
Answer all questions in the answer booklet provided. Please start each question on a new page.
8. [Maximum mark: 13]
In a class of 21 students, 12 own a laptop, 10 own a tablet, and 3 own neither.
The following Venn diagram shows the events “own a laptop” and “own a tablet”.
The values p, q, r and s represent numbers of students.
q
r s
laptop
p
tablet
(a) (i) Write down the value of p.
(ii) Find the value of q.
(iii) Write down the value of r and of s. [5]
(b) A student is selected at random from the class.
(i) Write down the probability that this student owns a laptop.
(ii) Find the probability that this student owns a laptop or a tablet but not both. [4]
(This question continues on the following page)
16EP10
M16/5/MATME/SP1/ENG/TZ2/XX
Clases de Matemáticas y Física para Bachillerato Internacional
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– 11 –
Turn over
Do not write solutions on this page.
(Question 8 continued)
(c) Two students are randomly selected from the class. Let L be the event a “student
owns a laptop”.
(i) Copy and complete the following tree diagram. (Do not write on this page.)
L
L
L
11
20
9
20
9
21 L′
First student Second student
L′
L′
(ii) Write down the probability that the second student owns a laptop given that the
first owns a laptop. [4]
16EP11
M16/5/MATME/SP1/ENG/TZ2/XX
Clases de Matemáticas y Física para Bachillerato Internacional
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WhatsApp +51976438482 www.teoteves.com
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– 12 –
Do not write solutions on this page.
9. [Maximum mark: 16]
Fred makes an open metal container in the shape of a cuboid, as shown in the
following diagram.
x
x
y
The container has height x m, width x m and length y m. The volume is 36m3
.
Let A(x) be the outside surface area of the container.
(a) Show that A x
x
x
( ) = +
108
2 2
. [4]
(b) Find A′(x). [2]
(c) Given that the outside surface area is a minimum, find the height of the container. [5]
(d) Fred paints the outside of the container. A tin of paint covers a surface area of 10m2
and costs $20. Find the total cost of the tins needed to paint the container. [5]
16EP12
M16/5/MATME/SP1/ENG/TZ2/XX
Clases de Matemáticas y Física para Bachillerato Internacional
WhatsApp +51976438482 www.teoteves.com
WhatsApp +51976438482 www.teoteves.com
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– 13 –
Turn over
Please do not write on this page.
Answers written on this page will not
be marked.
16EP13
M16/5/MATME/SP1/ENG/TZ2/XX
Clases de Matemáticas y Física para Bachillerato Internacional
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– 14 –
Do not write solutions on this page.
10. [Maximum mark: 16]
The following diagram shows the graph of f x x a x
( ) = −
2 2 2
, for −1 ≤ x ≤ a, where a > 1.
x
–1 a
O
L
P(a, b)
f
The line L is the tangent to the graph of f at the origin, O. The point P(a, b) lies on L.
(a) (i) Given that ′ =
−
−
f x
a x
a x
( )
2 4
2 2
2 2
, for −1 ≤ x < a, find the equation of L.
(ii) Hence or otherwise, find an expression for b in terms of a. [6]
(This question continues on the following page)
16EP14
M16/5/MATME/SP1/ENG/TZ2/XX
y
Clases de Matemáticas y Física para Bachillerato Internacional
WhatsApp +51976438482 www.teoteves.com
WhatsApp +51976438482 www.teoteves.com
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– 15 –
Do not write solutions on this page.
(Question 10 continued)
The point Q(a, 0) lies on the graph of f . Let R be the region enclosed by the graph of f
and the x-axis. This information is shown in the following diagram.
x
–1 a
O
L
P(a, b)
f
R
Q
Let AR be the area of the region R.
(b) Show that A a
R =
2
3
3
. [6]
(c) Let AT be the area of the triangle OPQ. Given that AT = kAR , find the value of k. [4]
16EP15
M16/5/MATME/SP1/ENG/TZ2/XX
y
Clases de Matemáticas y Física para Bachillerato Internacional
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Please do not write on this page.
Answers written on this page will not
be marked.
16EP16
Clases de Matemáticas y Física para Bachillerato Internacional
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Examen Matemáticas Nivel Medio Prueba 1 TZ2 Mayo 2016

  • 1. C L A S E S D E M A T E M Á T I C A S Y F Í S I C A B A C H I L L E R A T O I N T E R N A C I O N A L W H A T S A P P + 5 1 9 7 6 4 3 8 4 8 2 W W W . T E O T E V E S . C O M Candidate session number M16/5/MATME/SP1/ENG/TZ2/XX Mathematics Standard level Paper 1 © International Baccalaureate Organization 2016 15 pages Instructions to candidates y y Write your session number in the boxes above. y y Do not open this examination paper until instructed to do so. y y You are not permitted access to any calculator for this paper. y y Section A: answer all questions in the boxes provided. y y Section B: answer all questions in the answer booklet provided. Fill in your session number on the front of the answer booklet, and attach it to this examination paper and your cover sheet using the tag provided. y y Unless otherwise stated in the question, all numerical answers should be given exactly or correct to three significant figures. y y A clean copy of the mathematics SL formula booklet is required for this paper. y y The maximum mark for this examination paper is [90 marks]. 1 hour 30 minutes Tuesday 10 May 2016 (afternoon) 2216–7305 16EP01 Clases de Matemáticas y Física para Bachillerato Internacional WhatsApp +51976438482 www.teoteves.com WhatsApp +51976438482 www.teoteves.com
  • 2. C L A S E S D E M A T E M Á T I C A S Y F Í S I C A B A C H I L L E R A T O I N T E R N A C I O N A L W H A T S A P P + 5 1 9 7 6 4 3 8 4 8 2 W W W . T E O T E V E S . C O M – 2 – Full marks are not necessarily awarded for a correct answer with no working. Answers must be supported by working and/or explanations. Where an answer is incorrect, some marks may be given for a correct method, provided this is shown by written working. You are therefore advised to show all working. Section A Answer all questions in the boxes provided. Working may be continued below the lines if necessary. 1. [Maximum mark: 6] The following diagram shows part of the graph of a quadratic function f . 1 2 3 4 –1 x y 0 5 6 7 The vertex is at (3, −1) and the x-intercepts at 2 and 4. The function f can be written in the form f (x) = (x − h)2 + k. (a) Write down the value of h and of k. [2] The function can also be written in the form f (x) = (x − a)(x − b). (b) Write down the value of a and of b. [2] (c) Find the y-intercept. [2] (This question continues on the following page) 16EP02 M16/5/MATME/SP1/ENG/TZ2/XX Clases de Matemáticas y Física para Bachillerato Internacional WhatsApp +51976438482 www.teoteves.com WhatsApp +51976438482 www.teoteves.com
  • 3. C L A S E S D E M A T E M Á T I C A S Y F Í S I C A B A C H I L L E R A T O I N T E R N A C I O N A L W H A T S A P P + 5 1 9 7 6 4 3 8 4 8 2 W W W . T E O T E V E S . C O M – 3 – Turn over (Question 1 continued) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16EP03 M16/5/MATME/SP1/ENG/TZ2/XX Clases de Matemáticas y Física para Bachillerato Internacional WhatsApp +51976438482 www.teoteves.com WhatsApp +51976438482 www.teoteves.com
  • 4. C L A S E S D E M A T E M Á T I C A S Y F Í S I C A B A C H I L L E R A T O I N T E R N A C I O N A L W H A T S A P P + 5 1 9 7 6 4 3 8 4 8 2 W W W . T E O T E V E S . C O M – 4 – 2. [Maximum mark: 5] There are 10 items in a data set. The sum of the items is 60. (a) Find the mean. [2] The variance of this data set is 3. Each value in the set is multiplied by 4. (b) (i) Write down the value of the new mean. (ii) Find the value of the new variance. [3] . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16EP04 M16/5/MATME/SP1/ENG/TZ2/XX Clases de Matemáticas y Física para Bachillerato Internacional WhatsApp +51976438482 www.teoteves.com WhatsApp +51976438482 www.teoteves.com
  • 5. C L A S E S D E M A T E M Á T I C A S Y F Í S I C A B A C H I L L E R A T O I N T E R N A C I O N A L W H A T S A P P + 5 1 9 7 6 4 3 8 4 8 2 W W W . T E O T E V E S . C O M – 5 – Turn over 3. [Maximum mark: 6] Let x = ln3 and y = ln5. Write the following expressions in terms of x and y. (a) ln 5 3       . [2] (b) ln45. [4] . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16EP05 M16/5/MATME/SP1/ENG/TZ2/XX Clases de Matemáticas y Física para Bachillerato Internacional WhatsApp +51976438482 www.teoteves.com WhatsApp +51976438482 www.teoteves.com
  • 6. C L A S E S D E M A T E M Á T I C A S Y F Í S I C A B A C H I L L E R A T O I N T E R N A C I O N A L W H A T S A P P + 5 1 9 7 6 4 3 8 4 8 2 W W W . T E O T E V E S . C O M – 6 – 4. [Maximum mark: 6] Three consecutive terms of a geometric sequence are x − 3, 6 and x + 2. Find the possible values of x. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16EP06 M16/5/MATME/SP1/ENG/TZ2/XX Clases de Matemáticas y Física para Bachillerato Internacional WhatsApp +51976438482 www.teoteves.com WhatsApp +51976438482 www.teoteves.com
  • 7. C L A S E S D E M A T E M Á T I C A S Y F Í S I C A B A C H I L L E R A T O I N T E R N A C I O N A L W H A T S A P P + 5 1 9 7 6 4 3 8 4 8 2 W W W . T E O T E V E S . C O M – 7 – Turn over 5. [Maximum mark: 8] The following diagram shows a triangle ABC and a sector BDC of a circle with centre B and radius 6cm. The points A, B and D are on the same line. diagram not to scale A B D C 6 2 3 AB cm = 2 3 , BC = 6cm, area of triangle ABC cm2 = 3 3 , ˆ ABC is obtuse. (a) Find ˆ ABC . [5] (b) Find the exact area of the sector BDC. [3] . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16EP07 M16/5/MATME/SP1/ENG/TZ2/XX Clases de Matemáticas y Física para Bachillerato Internacional WhatsApp +51976438482 www.teoteves.com WhatsApp +51976438482 www.teoteves.com
  • 8. C L A S E S D E M A T E M Á T I C A S Y F Í S I C A B A C H I L L E R A T O I N T E R N A C I O N A L W H A T S A P P + 5 1 9 7 6 4 3 8 4 8 2 W W W . T E O T E V E S . C O M – 8 – 6. [Maximum mark: 7] Let f (x) = 6x 1− x2 , for −1 ≤ x ≤ 1,and g(x) = cos (x), for 0 ≤ x ≤ π . Let h(x) = ( f ° g)(x). (a) Write h(x) in the form asin(bx), where a, b∈. [5] (b) Hence find the range of h. [2] . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16EP08 M16/5/MATME/SP1/ENG/TZ2/XX Clases de Matemáticas y Física para Bachillerato Internacional WhatsApp +51976438482 www.teoteves.com WhatsApp +51976438482 www.teoteves.com
  • 9. C L A S E S D E M A T E M Á T I C A S Y F Í S I C A B A C H I L L E R A T O I N T E R N A C I O N A L W H A T S A P P + 5 1 9 7 6 4 3 8 4 8 2 W W W . T E O T E V E S . C O M – 9 – Turn over 7. [Maximum mark: 7] Let u = −3i + j + k and v = mj + nk, where m, n∈. Given that v is a unit vector perpendicular to u, find the possible values of m and of n. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16EP09 M16/5/MATME/SP1/ENG/TZ2/XX Clases de Matemáticas y Física para Bachillerato Internacional WhatsApp +51976438482 www.teoteves.com WhatsApp +51976438482 www.teoteves.com
  • 10. C L A S E S D E M A T E M Á T I C A S Y F Í S I C A B A C H I L L E R A T O I N T E R N A C I O N A L W H A T S A P P + 5 1 9 7 6 4 3 8 4 8 2 W W W . T E O T E V E S . C O M – 10 – Do not write solutions on this page. Section B Answer all questions in the answer booklet provided. Please start each question on a new page. 8. [Maximum mark: 13] In a class of 21 students, 12 own a laptop, 10 own a tablet, and 3 own neither. The following Venn diagram shows the events “own a laptop” and “own a tablet”. The values p, q, r and s represent numbers of students. q r s laptop p tablet (a) (i) Write down the value of p. (ii) Find the value of q. (iii) Write down the value of r and of s. [5] (b) A student is selected at random from the class. (i) Write down the probability that this student owns a laptop. (ii) Find the probability that this student owns a laptop or a tablet but not both. [4] (This question continues on the following page) 16EP10 M16/5/MATME/SP1/ENG/TZ2/XX Clases de Matemáticas y Física para Bachillerato Internacional WhatsApp +51976438482 www.teoteves.com WhatsApp +51976438482 www.teoteves.com
  • 11. C L A S E S D E M A T E M Á T I C A S Y F Í S I C A B A C H I L L E R A T O I N T E R N A C I O N A L W H A T S A P P + 5 1 9 7 6 4 3 8 4 8 2 W W W . T E O T E V E S . C O M – 11 – Turn over Do not write solutions on this page. (Question 8 continued) (c) Two students are randomly selected from the class. Let L be the event a “student owns a laptop”. (i) Copy and complete the following tree diagram. (Do not write on this page.) L L L 11 20 9 20 9 21 L′ First student Second student L′ L′ (ii) Write down the probability that the second student owns a laptop given that the first owns a laptop. [4] 16EP11 M16/5/MATME/SP1/ENG/TZ2/XX Clases de Matemáticas y Física para Bachillerato Internacional WhatsApp +51976438482 www.teoteves.com WhatsApp +51976438482 www.teoteves.com
  • 12. C L A S E S D E M A T E M Á T I C A S Y F Í S I C A B A C H I L L E R A T O I N T E R N A C I O N A L W H A T S A P P + 5 1 9 7 6 4 3 8 4 8 2 W W W . T E O T E V E S . C O M – 12 – Do not write solutions on this page. 9. [Maximum mark: 16] Fred makes an open metal container in the shape of a cuboid, as shown in the following diagram. x x y The container has height x m, width x m and length y m. The volume is 36m3 . Let A(x) be the outside surface area of the container. (a) Show that A x x x ( ) = + 108 2 2 . [4] (b) Find A′(x). [2] (c) Given that the outside surface area is a minimum, find the height of the container. [5] (d) Fred paints the outside of the container. A tin of paint covers a surface area of 10m2 and costs $20. Find the total cost of the tins needed to paint the container. [5] 16EP12 M16/5/MATME/SP1/ENG/TZ2/XX Clases de Matemáticas y Física para Bachillerato Internacional WhatsApp +51976438482 www.teoteves.com WhatsApp +51976438482 www.teoteves.com
  • 13. C L A S E S D E M A T E M Á T I C A S Y F Í S I C A B A C H I L L E R A T O I N T E R N A C I O N A L W H A T S A P P + 5 1 9 7 6 4 3 8 4 8 2 W W W . T E O T E V E S . C O M – 13 – Turn over Please do not write on this page. Answers written on this page will not be marked. 16EP13 M16/5/MATME/SP1/ENG/TZ2/XX Clases de Matemáticas y Física para Bachillerato Internacional WhatsApp +51976438482 www.teoteves.com WhatsApp +51976438482 www.teoteves.com
  • 14. C L A S E S D E M A T E M Á T I C A S Y F Í S I C A B A C H I L L E R A T O I N T E R N A C I O N A L W H A T S A P P + 5 1 9 7 6 4 3 8 4 8 2 W W W . T E O T E V E S . C O M – 14 – Do not write solutions on this page. 10. [Maximum mark: 16] The following diagram shows the graph of f x x a x ( ) = − 2 2 2 , for −1 ≤ x ≤ a, where a > 1. x –1 a O L P(a, b) f The line L is the tangent to the graph of f at the origin, O. The point P(a, b) lies on L. (a) (i) Given that ′ = − − f x a x a x ( ) 2 4 2 2 2 2 , for −1 ≤ x < a, find the equation of L. (ii) Hence or otherwise, find an expression for b in terms of a. [6] (This question continues on the following page) 16EP14 M16/5/MATME/SP1/ENG/TZ2/XX y Clases de Matemáticas y Física para Bachillerato Internacional WhatsApp +51976438482 www.teoteves.com WhatsApp +51976438482 www.teoteves.com
  • 15. C L A S E S D E M A T E M Á T I C A S Y F Í S I C A B A C H I L L E R A T O I N T E R N A C I O N A L W H A T S A P P + 5 1 9 7 6 4 3 8 4 8 2 W W W . T E O T E V E S . C O M – 15 – Do not write solutions on this page. (Question 10 continued) The point Q(a, 0) lies on the graph of f . Let R be the region enclosed by the graph of f and the x-axis. This information is shown in the following diagram. x –1 a O L P(a, b) f R Q Let AR be the area of the region R. (b) Show that A a R = 2 3 3 . [6] (c) Let AT be the area of the triangle OPQ. Given that AT = kAR , find the value of k. [4] 16EP15 M16/5/MATME/SP1/ENG/TZ2/XX y Clases de Matemáticas y Física para Bachillerato Internacional WhatsApp +51976438482 www.teoteves.com WhatsApp +51976438482 www.teoteves.com
  • 16. C L A S E S D E M A T E M Á T I C A S Y F Í S I C A B A C H I L L E R A T O I N T E R N A C I O N A L W H A T S A P P + 5 1 9 7 6 4 3 8 4 8 2 W W W . T E O T E V E S . C O M Please do not write on this page. Answers written on this page will not be marked. 16EP16 Clases de Matemáticas y Física para Bachillerato Internacional WhatsApp +51976438482 www.teoteves.com WhatsApp +51976438482 www.teoteves.com