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Read Carefully
1 Calculators may NOT be used in this paper.
2 Full credit will be given only where the solution contains appropriate working.
3 Answers obtained by readings from scale drawings will not receive any credit.
©
X100/301
N A T I O N A L T U E S D A Y , 1 5 M A Y
Q U A L I F I C A T I O N S 9 . 0 0 A M – 1 0 . 1 0 A M
2 0 0 7
MATHEMATICS
HIGHER
Units 1, 2 and 3
Paper 1
(Non-calculator)
LI X100/301 6/27370 *X100/301*
FORMULAE LIST
Circle:
The equation x2
+ y2
+ 2gx + 2fy + c = 0 represents a circle centre (–g, –f) and radius
The equation (x – a)2
+ (y – b)2
= r2
represents a circle centre (a, b) and radius r.
Scalar Product: a.b = |a| |b| cos θ, where θ is the angle between a and b
or a.b = a1b1 + a2b2 + a3b3 where a =
Trigonometric formulae: sin (A ± B) = sin A cos B ± cos A sin B
cos (A ± B) = cos A cos B sin A sin B
sin 2A = 2sin A cos A
cos 2A = cos2
A – sin2
A
= 2cos2
A – 1
= 1 – 2sin2
A
Table of standard derivatives:
Table of standard integrals:
Page two[X100/301]
a1
a2
a3
b1
b2
b3
and b = .
2 2
.+ −g f c
sinax cosa ax
cosax sin−a ax
±
( )f x ( )′f x
sinax
1 cos− +ax Ca
cosax 1 sin +ax Ca
( )f x ( )f x dx∫
ALL questions should be attempted.
1. Find the equation of the line through the point (–1, 4) which is parallel to the
line with equation 3x – y + 2 = 0.
2. Relative to a suitable coordinate system
A and B are the points (–2, 1, –1) and
(1, 3, 2) respectively.
A, B and C are collinear points and C is
positioned such that BC = 2AB.
Find the coordinates of C.
3. Functions f and g, defined on suitable domains, are given by f(x) = x2
+ 1 and
g(x) = 1 – 2x.
Find:
(a) g(f(x));
(b) g(g(x)).
4. Find the range of values of k such that the equation kx2
– x – 1 = 0 has no real
roots.
5. The large circle has equation
x2
+ y2
– 14x – 16y + 77 = 0.
Three congruent circles with
centres A, B and C are drawn
inside the large circle with the
centres lying on a line parallel
to the x-axis.
This pattern is continued, as
shown in the diagram.
Find the equation of the circle
with centre D.
Page three
Marks
3
4
2
2
4
5
[X100/301]
[Turn over
A
B
C
y
O
A B C D
x
6. Solve the equation sin 2x ° = 6cos x ° for 0 ≤ x ≤ 360.
7. A sequence is defined by the recurrence relation
(a) Calculate the values of u1, u2 and u3.
Four terms of this sequence, u1, u2, u3
and u4 are plotted as shown in the graph.
As n → ∞, the points on the graph
approach the line un = k, where k is the
limit of this sequence.
(b) (i) Give a reason why this sequence
has a limit.
(ii) Find the exact value of k.
8. The diagram shows a sketch of the graph
of y = x3
– 4x2
+ x + 6.
(a) Show that the graph cuts the x-axis
at (3, 0).
(b) Hence or otherwise find the
coordinates of A.
(c) Find the shaded area.
9. A function f is defined by the formula f(x) = 3x – x3
.
(a) Find the exact values where the graph of y = f(x) meets the x- and y-axes.
(b) Find the coordinates of the stationary points of the function and
determine their nature.
(c) Sketch the graph of y = f(x).
Page four
Marks
4
3
3
1
3
5
2
7
1
[X100/301]
1 0
1 16, 0.
4n nu u u+ = + =
un
k
n1 2 3 4
un = k
xO A B
y
10. Given that
11. (a) Express f(x) = cos x + sin x in the form kcos (x – a), where k > 0 and
0 < a <
(b) Hence or otherwise sketch the graph of y = f(x) in the interval 0 ≤ x ≤ 2π.
[END OF QUESTION PAPER]
Page five
Marks
3
4
4
[X100/301]
2
3 2, find .
dy
y x
dx
= +
3
.
2
π
[BLANK PAGE]
[BLANK PAGE]
[BLANK PAGE]
Read Carefully
1 Calculators may be used in this paper.
2 Full credit will be given only where the solution contains appropriate working.
3 Answers obtained by readings from scale drawings will not receive any credit.
©
X100/303
N A T I O N A L T U E S D A Y , 1 5 M A Y
Q U A L I F I C A T I O N S 1 0 . 3 0 A M – 1 2 . 0 0 N O O N
2 0 0 7
MATHEMATICS
HIGHER
Units 1, 2 and 3
Paper 2
LI X100/303 6/27370 *X100/303*
Page two[X100/303]
FORMULAE LIST
Circle:
The equation x2
+ y2
+ 2gx + 2fy + c = 0 represents a circle centre (–g, –f) and radius
The equation (x – a)2
+ (y – b)2
= r2
represents a circle centre (a, b) and radius r.
Scalar Product: a.b = |a| |b| cos θ, where θ is the angle between a and b
or a.b = a1b1 + a2b2 + a3b3 where a =
Trigonometric formulae: sin (A ± B) = sin A cos B ± cos A sin B
cos (A ± B) = cos A cos B sin A sin B
sin 2A = 2sin A cos A
cos 2A = cos2
A – sin2
A
= 2cos2
A – 1
= 1 – 2sin2
A
Table of standard derivatives:
Table of standard integrals:
a1
a2
a3
b1
b2
b3
and b = .
2 2
.+ −g f c
sinax cosa ax
cosax sin−a ax
±
( )f x ( )′f x
sinax
1 cos− +ax Ca
cosax 1 sin +ax Ca
( )f x ( )f x dx∫
ALL questions should be attempted.
1. OABCDEFG is a cube with side 2 units,
as shown in the diagram.
B has coordinates (2, 2, 0).
P is the centre of face OCGD and Q is
the centre of face CBFG.
(a) Write down the coordinates of G.
(b) Find p and q, the position vectors of points P and Q.
(c) Find the size of angle POQ.
2. The diagram shows two right-angled
triangles with angles c and d marked as
shown.
(a) Find the exact value of sin (c + d).
(b) (i) Find the exact value of sin 2c.
(ii) Show that cos 2d has the same exact value.
3. Show that the line with equation y = 6 – 2x is a tangent to the circle with
equation x2
+ y2
+ 6x – 4y – 7 = 0 and find the coordinates of the point of
contact of the tangent and the circle.
4. The diagram shows part of the graph of
a function whose equation is of the form
y = asin (bx °) + c.
(a) Write down the values of a, b and c.
(b) Determine the exact value of the
x-coordinate of P, the point where
the graph intersects the x-axis as
shown in the diagram.
Page three
Marks
1
2
5
4
4
6
3
3
[X100/303]
[Turn over
A
B (2, 2, 0)
D
G F
E
O
z
x
y
P
C
Q
c
2 3
1
d
y
1
–1
–2
–3
O
60 ° 120 °
P x
5. A circle centre C is situated so that it touches
the parabola with equation at
P and Q.
(a) The gradient of the tangent to the
parabola at Q is 4. Find the coordinates
of Q.
(b) Find the coordinates of P.
(c) Find the coordinates of C, the centre of
the circle.
6. A householder has a garden in the shape
of a right-angled isosceles triangle.
It is intended to put down a section of
rectangular wooden decking at the side
of the house, as shown in the diagram.
(a) (i) Find the exact value of ST.
(ii) Given that the breadth of the decking is x metres, show that the area
of the decking, A square metres, is given by
(b) Find the dimensions of the decking which maximises its area.
7. Find the value of
8. The curve with equation y = log3(x – 1) – 2.2, where x > 1, cuts the x-axis at
the point (a, 0).
Find the value of a.
Page four
Marks
5
2
2
3
5
4
4
[X100/303]
21
2
8 34y x x= − +
y
O
P Q
C
x
T
Side Wall
Decking
2
0
sin(4 1) .x dx+
∫
S
10 m
x m
10 m
2
10 2 2 .A x x= −( )
9. The diagram shows the graph of y = ax
, a > 1.
On separate diagrams, sketch the graphs of:
(a) y = a–x
;
(b) y = a1–x
.
10. The diagram shows the graphs of a cubic
function y = f(x) and its derived function
y = f′(x).
Both graphs pass through the point (0, 6).
The graph of y = f′(x) also passes through
the points (2, 0) and (4, 0).
(a) Given that f′(x) is of the form k(x – a)(x – b):
(i) write down the values of a and b;
(ii) find the value of k.
(b) Find the equation of the graph of the cubic function y = f(x).
11. Two variables x and y satisfy the equation y = 3 × 4x
.
(a) Find the value of a if (a, 6) lies on the graph with equation y = 3 × 4x
.
(b) If ( ) also lies on the graph, find b.
(c) A graph is drawn of log10y against x. Show that its equation will be of the
form log10y = Px + Q and state the gradient of this line.
[END OF QUESTION PAPER]
Page five
Marks
2
2
3
4
1
1
4
[X100/303]
y
1
(1, a)
y = ax
x
y
6
O
O
2 4 x
y = f(x)
y = f′(x)
1
2
, b−
[BLANK PAGE]
[BLANK PAGE]
[BLANK PAGE]

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H 2004 2007

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  • 33. Read Carefully 1 Calculators may NOT be used in this paper. 2 Full credit will be given only where the solution contains appropriate working. 3 Answers obtained by readings from scale drawings will not receive any credit. © X100/301 N A T I O N A L T U E S D A Y , 1 5 M A Y Q U A L I F I C A T I O N S 9 . 0 0 A M – 1 0 . 1 0 A M 2 0 0 7 MATHEMATICS HIGHER Units 1, 2 and 3 Paper 1 (Non-calculator) LI X100/301 6/27370 *X100/301*
  • 34. FORMULAE LIST Circle: The equation x2 + y2 + 2gx + 2fy + c = 0 represents a circle centre (–g, –f) and radius The equation (x – a)2 + (y – b)2 = r2 represents a circle centre (a, b) and radius r. Scalar Product: a.b = |a| |b| cos θ, where θ is the angle between a and b or a.b = a1b1 + a2b2 + a3b3 where a = Trigonometric formulae: sin (A ± B) = sin A cos B ± cos A sin B cos (A ± B) = cos A cos B sin A sin B sin 2A = 2sin A cos A cos 2A = cos2 A – sin2 A = 2cos2 A – 1 = 1 – 2sin2 A Table of standard derivatives: Table of standard integrals: Page two[X100/301] a1 a2 a3 b1 b2 b3 and b = . 2 2 .+ −g f c sinax cosa ax cosax sin−a ax ± ( )f x ( )′f x sinax 1 cos− +ax Ca cosax 1 sin +ax Ca ( )f x ( )f x dx∫
  • 35. ALL questions should be attempted. 1. Find the equation of the line through the point (–1, 4) which is parallel to the line with equation 3x – y + 2 = 0. 2. Relative to a suitable coordinate system A and B are the points (–2, 1, –1) and (1, 3, 2) respectively. A, B and C are collinear points and C is positioned such that BC = 2AB. Find the coordinates of C. 3. Functions f and g, defined on suitable domains, are given by f(x) = x2 + 1 and g(x) = 1 – 2x. Find: (a) g(f(x)); (b) g(g(x)). 4. Find the range of values of k such that the equation kx2 – x – 1 = 0 has no real roots. 5. The large circle has equation x2 + y2 – 14x – 16y + 77 = 0. Three congruent circles with centres A, B and C are drawn inside the large circle with the centres lying on a line parallel to the x-axis. This pattern is continued, as shown in the diagram. Find the equation of the circle with centre D. Page three Marks 3 4 2 2 4 5 [X100/301] [Turn over A B C y O A B C D x
  • 36. 6. Solve the equation sin 2x ° = 6cos x ° for 0 ≤ x ≤ 360. 7. A sequence is defined by the recurrence relation (a) Calculate the values of u1, u2 and u3. Four terms of this sequence, u1, u2, u3 and u4 are plotted as shown in the graph. As n → ∞, the points on the graph approach the line un = k, where k is the limit of this sequence. (b) (i) Give a reason why this sequence has a limit. (ii) Find the exact value of k. 8. The diagram shows a sketch of the graph of y = x3 – 4x2 + x + 6. (a) Show that the graph cuts the x-axis at (3, 0). (b) Hence or otherwise find the coordinates of A. (c) Find the shaded area. 9. A function f is defined by the formula f(x) = 3x – x3 . (a) Find the exact values where the graph of y = f(x) meets the x- and y-axes. (b) Find the coordinates of the stationary points of the function and determine their nature. (c) Sketch the graph of y = f(x). Page four Marks 4 3 3 1 3 5 2 7 1 [X100/301] 1 0 1 16, 0. 4n nu u u+ = + = un k n1 2 3 4 un = k xO A B y
  • 37. 10. Given that 11. (a) Express f(x) = cos x + sin x in the form kcos (x – a), where k > 0 and 0 < a < (b) Hence or otherwise sketch the graph of y = f(x) in the interval 0 ≤ x ≤ 2π. [END OF QUESTION PAPER] Page five Marks 3 4 4 [X100/301] 2 3 2, find . dy y x dx = + 3 . 2 π
  • 41. Read Carefully 1 Calculators may be used in this paper. 2 Full credit will be given only where the solution contains appropriate working. 3 Answers obtained by readings from scale drawings will not receive any credit. © X100/303 N A T I O N A L T U E S D A Y , 1 5 M A Y Q U A L I F I C A T I O N S 1 0 . 3 0 A M – 1 2 . 0 0 N O O N 2 0 0 7 MATHEMATICS HIGHER Units 1, 2 and 3 Paper 2 LI X100/303 6/27370 *X100/303*
  • 42. Page two[X100/303] FORMULAE LIST Circle: The equation x2 + y2 + 2gx + 2fy + c = 0 represents a circle centre (–g, –f) and radius The equation (x – a)2 + (y – b)2 = r2 represents a circle centre (a, b) and radius r. Scalar Product: a.b = |a| |b| cos θ, where θ is the angle between a and b or a.b = a1b1 + a2b2 + a3b3 where a = Trigonometric formulae: sin (A ± B) = sin A cos B ± cos A sin B cos (A ± B) = cos A cos B sin A sin B sin 2A = 2sin A cos A cos 2A = cos2 A – sin2 A = 2cos2 A – 1 = 1 – 2sin2 A Table of standard derivatives: Table of standard integrals: a1 a2 a3 b1 b2 b3 and b = . 2 2 .+ −g f c sinax cosa ax cosax sin−a ax ± ( )f x ( )′f x sinax 1 cos− +ax Ca cosax 1 sin +ax Ca ( )f x ( )f x dx∫
  • 43. ALL questions should be attempted. 1. OABCDEFG is a cube with side 2 units, as shown in the diagram. B has coordinates (2, 2, 0). P is the centre of face OCGD and Q is the centre of face CBFG. (a) Write down the coordinates of G. (b) Find p and q, the position vectors of points P and Q. (c) Find the size of angle POQ. 2. The diagram shows two right-angled triangles with angles c and d marked as shown. (a) Find the exact value of sin (c + d). (b) (i) Find the exact value of sin 2c. (ii) Show that cos 2d has the same exact value. 3. Show that the line with equation y = 6 – 2x is a tangent to the circle with equation x2 + y2 + 6x – 4y – 7 = 0 and find the coordinates of the point of contact of the tangent and the circle. 4. The diagram shows part of the graph of a function whose equation is of the form y = asin (bx °) + c. (a) Write down the values of a, b and c. (b) Determine the exact value of the x-coordinate of P, the point where the graph intersects the x-axis as shown in the diagram. Page three Marks 1 2 5 4 4 6 3 3 [X100/303] [Turn over A B (2, 2, 0) D G F E O z x y P C Q c 2 3 1 d y 1 –1 –2 –3 O 60 ° 120 ° P x
  • 44. 5. A circle centre C is situated so that it touches the parabola with equation at P and Q. (a) The gradient of the tangent to the parabola at Q is 4. Find the coordinates of Q. (b) Find the coordinates of P. (c) Find the coordinates of C, the centre of the circle. 6. A householder has a garden in the shape of a right-angled isosceles triangle. It is intended to put down a section of rectangular wooden decking at the side of the house, as shown in the diagram. (a) (i) Find the exact value of ST. (ii) Given that the breadth of the decking is x metres, show that the area of the decking, A square metres, is given by (b) Find the dimensions of the decking which maximises its area. 7. Find the value of 8. The curve with equation y = log3(x – 1) – 2.2, where x > 1, cuts the x-axis at the point (a, 0). Find the value of a. Page four Marks 5 2 2 3 5 4 4 [X100/303] 21 2 8 34y x x= − + y O P Q C x T Side Wall Decking 2 0 sin(4 1) .x dx+ ∫ S 10 m x m 10 m 2 10 2 2 .A x x= −( )
  • 45. 9. The diagram shows the graph of y = ax , a > 1. On separate diagrams, sketch the graphs of: (a) y = a–x ; (b) y = a1–x . 10. The diagram shows the graphs of a cubic function y = f(x) and its derived function y = f′(x). Both graphs pass through the point (0, 6). The graph of y = f′(x) also passes through the points (2, 0) and (4, 0). (a) Given that f′(x) is of the form k(x – a)(x – b): (i) write down the values of a and b; (ii) find the value of k. (b) Find the equation of the graph of the cubic function y = f(x). 11. Two variables x and y satisfy the equation y = 3 × 4x . (a) Find the value of a if (a, 6) lies on the graph with equation y = 3 × 4x . (b) If ( ) also lies on the graph, find b. (c) A graph is drawn of log10y against x. Show that its equation will be of the form log10y = Px + Q and state the gradient of this line. [END OF QUESTION PAPER] Page five Marks 2 2 3 4 1 1 4 [X100/303] y 1 (1, a) y = ax x y 6 O O 2 4 x y = f(x) y = f′(x) 1 2 , b−