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MATHEMATICS 9709/11
Paper 1 Pure Mathematics 1 October/November 2024
1 hour 50 minutes
INSTRUCTIONS
● Answer all questions.
● Use a black or dark blue pen. You may use an HB pencil for any diagrams or graphs.
● Write your name, centre number and candidate number in the boxes at the top of the page.
● Write your answer to each question in the space provided.
● Do not use an erasable pen or correction fluid.
● Do not write on any bar codes.
● If additional space is needed, you should use the lined page at the end of this booklet; the question
number or numbers must be clearly shown.
● You should use a calculator where appropriate.
● You must show all necessary working clearly; no marks will be given for unsupported answers from a
calculator.
● Give non-exact numerical answers correct to 3 significant figures, or 1 decimal place for angles in
degrees, unless a different level of accuracy is specified in the question.
INFORMATION
● The total mark for this paper is 75.
● The number of marks for each question or part question is shown in brackets [ ].
DC (DE/CT) 337381/4
© UCLES 2024 [Turn over
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24
1 In the expansion of bkx + l , where k is a positive constant, the term independent of x is equal to 150.
x
Find the value of k and hence determine the coefficient of x 2 in the expansion. [4]
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a
2 The curve y = x 2 - has a stationary point at (-3, b).
x
Find the values of the constants a and b. [4]
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9709/11/O/N/24 [Turn over
* 0000800000004 *
B C
15 cm 15 cm
A D
Find the perimeter of the shaded region. Give your answer in terms of r . [5]
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5
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4 Show that the curve with equation x 2 - 3xy - 40 = 0 and the line with equation 3x + y + k = 0 meet for
all values of the constant k. [5]
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9709/11/O/N/24 [Turn over
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dy
5 The equation of a curve is such that = 4x - 3 x + 1.
dx
11
(a) Find the x-coordinate of the point on the curve at which the gradient is 2 . [3]
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(b) Given that the curve passes through the point (4, 11), find the equation of the curve. [4]
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7
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x 2 + y 2 + 6x - 10y + 18 = 0 and (x - 9) 2 + (y + 4) 2 - 64 = 0
respectively.
(a) Find the distance between the centres of the circles. [4]
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P and Q are points on C1 and C2 respectively. The distance between P and Q is denoted by d.
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9709/11/O/N/24 [Turn over
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7
y
12
The diagram shows part of the curve with equation y = 3 . The point A on the curve has
2x + 1
coordinates b72 , 6l.
(a) Find the equation of the tangent to the curve at A. Give your answer in the form y = mx + c . [4]
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7
(b) Find the area of the region bounded by the curve and the lines x = 0 , x = 2 and y = 0 . [4]
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9709/11/O/N/24 [Turn over
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8 (a) It is given that b is an angle between 90° and 180° such that sin b = a .
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(b) Solve the equation sin 2 i + 2 cos 2 i = 4 sin i + 3 for 0° 1 i 1 360° . [5]
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9709/11/O/N/24 [Turn over
* 0000800000012 *
(a) Find the set of values of x for which y decreases as x increases. [4]
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9709/11/O/N/24 [Turn over
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10 An arithmetic progression has first term 5 and common difference d, where d 2 0 . The second, fifth
and eleventh terms of the arithmetic progression, in that order, are the first three terms of a geometric
progression.
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(b) The sum of the first 77 terms of the arithmetic progression is denoted by S77 . The sum of the first
10 terms of the geometric progression is denoted by G 10 .
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9709/11/O/N/24 [Turn over
* 0000800000016 *
(a) Express f (x) in the form a - b (x - c) 2 , where a, b and c are constants, and state the range
of f. [3]
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(b) The graph of y = f (x) is transformed to the graph of y = h (x) by a reflection in one of the axes
followed by a translation. It is given that the graph of y = h (x) has a minimum point at the origin.
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(c) Sketch the graph of y = g (x) and explain why g is a one-one function. You are not required to find
the coordinates of any intersections with the axes. [2]
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(d) Sketch the graph of y = g -1 (x) on your diagram in (c), and find an expression for g -1 (x) .
You should label the two graphs in your diagram appropriately and show any relevant mirror line.
[4]
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Additional page
If you use the following lined page to complete the answer(s) to any question(s), the question number(s)
must be clearly shown.
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© UCLES 2024
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