paper reference(s) 6663/01 edexcel gcepaper reference 6663 01 this publication may be reproduced...
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Candidate No.
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Paper Reference(s)
6663/01Edexcel GCECore Mathematics C1Advanced SubsidiaryWednesday 13 May 2015 – MorningTime: 1 hour 30 minutes
Materials required for examination Items included with question papersMathematical Formulae (Pink) Nil
Calculators may NOT be used in this examination.
Paper Reference
6 6 6 3 0 1
This publication may be reproduced only in accordance with Pearson Education Ltd copyright policy. ©2015 Pearson Education Ltd.
Printer’s Log. No.
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Instructions to CandidatesIn the boxes above, write your centre number, candidate number, your surname, initials and signature. Check that you have the correct question paper.Answer ALL the questions.You must write your answer for each question in the space following the question.
Information for CandidatesA booklet ‘Mathematical Formulae and Statistical Tables’ is provided.Full marks may be obtained for answers to ALL questions.The marks for individual questions and the parts of questions are shown in round brackets: e.g. (2).There are 10 questions in this question paper. The total mark for this paper is 75. There are 32 pages in this question paper. Any blank pages are indicated.
Advice to CandidatesYou must ensure that your answers to parts of questions are clearly labelled.You should show sufficient working to make your methods clear to the Examiner. Answers without working may not gain full credit.
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1. Simplify
(a) (2 2√ 5)(1)
(b) √2√ 5 − 3√22
giving your answer in the form a b+ √ , where a and b are integers.(4)
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Question 1 continued
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(Total 5 marks)
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2. Solve the simultaneous equations
y – 2x – 4 = 0
4x2 + y2 + 20x = 0(7)
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Question 2 continued
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(Total 7 marks)
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3. Given that y = 4x3 – 52x
, x 0, find in their simplest form
(a) ddyx (3)
(b) y xd∫(3)
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Question 3 continued
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(Total 6 marks)
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4. (i) A sequence U1, U2, U3, ... is defined by
Un+2 = 2Un+1 – Un, n 1
U1 = 4 and U2 = 4
Find the value of
(a) U3
(1)
(b) Unn=∑
1
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(2)
(ii) Another sequence V1, V2, V3, ... is defined by
Vn+2 = 2Vn+1 – Vn, n 1
V1 = k and V2 = 2k, where k is a constant
(a) Find V3 and V4 in terms of k.
(2)
Given that Vnn=∑ =
1
5165 ,
(b) find the value of k.(3)
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Question 4 continued
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(Total 8 marks)
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5. The equation(p – 1)x2 + 4x + (p – 5) = 0, where p is a constant
has no real roots.
(a) Show that p satisfies p2 – 6p + 1 0(3)
(b) Hence find the set of possible values of p.(4)
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Question 5 continued
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Question 5 continued
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Question 5 continued
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(Total 7 marks)
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6. The curve C has equation
y x xx
x= + − ≠( )( ) ,2 4 3
20
(a) Find ddyx
in its simplest form.(5)
(b) Find an equation of the tangent to C at the point where x = –1
Give your answer in the form ax + by + c = 0, where a, b and c are integers.(5)
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Question 6 continued
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Question 6 continued
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Question 6 continued
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(Total 10 marks)
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7. Given that y = 2x,
(a) express 4x in terms of y.(1)
(b) Hence, or otherwise, solve
8(4x) – 9(2x) + 1 = 0(4)
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Question 7 continued
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(Total 5 marks)
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8. (a) Factorise completely 9x – 4x3
(3)
(b) Sketch the curve C with equation
y = 9x – 4x3
Show on your sketch the coordinates at which the curve meets the x-axis.(3)
The points A and B lie on C and have x coordinates of –2 and 1 respectively.
(c) Show that the length of AB is k √10 where k is a constant to be found.(4)
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Question 8 continued
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Question 8 continued
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Question 8 continued
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(Total 10 marks)
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9. Jess started work 20 years ago. In year 1 her annual salary was £17000. Her annual salary increased by £1500 each year, so that her annual salary in year 2 was £18500, in year 3 it was £20000 and so on, forming an arithmetic sequence. This continued until she reached her maximum annual salary of £32000 in year k. Her annual salary then remained at £32000.
(a) Find the value of the constant k.(2)
(b) Calculate the total amount that Jess has earned in the 20 years.(5)
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Question 9 continued
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___________________________________________________________________________ Q9
(Total 7 marks)
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10. A curve with equation y = f(x) passes through the point (4, 9).
Given that
f ′ √√
( ) ,x xx
x= − +32
94
2 0
(a) find f(x), giving each term in its simplest form.(5)
Point P lies on the curve.
The normal to the curve at P is parallel to the line 2y + x = 0
(b) Find the x coordinate of P.(5)
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Question 10 continued
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TOTAL FOR PAPER: 75 MARKS
END
Q10
(Total 10 marks)