Maths C1

Topics: Maxima and minima, Constant of integration, Fermat's theorem Pages: 16 (3132 words) Published: September 28, 2014
Paper Reference(s)
Edexcel GCE
Core Mathematics C1
Bronze Level B1
Time: 1 hour 30 minutes

Materials required for examination Items included with question papers Mathematical Formulae (Green) Nil

Candidates may use any calculator allowed by the regulations of the Joint Council for Qualifications. Calculators must not have the facility for symbolic algebra manipulation, differentiation and integration, or have retrievable mathematical formulas stored in them.

Instructions to Candidates
Write the name of the examining body (Edexcel), your centre number, candidate number, the unit title (Core Mathematics C1), the paper reference (6663), your surname, initials and signature.

Information for Candidates
A booklet ‘Mathematical Formulae and Statistical Tables’ is provided. Full marks may be obtained for answers to ALL questions.
There are 11 questions in this question paper. The total mark for this paper is 75.

Advice to Candidates
You must ensure that your answers to parts of questions are clearly labelled. You must show sufficient working to make your methods clear to the Examiner. Answers without working may gain no credit.

Suggested grade boundaries for this paper:


1.Find .
January 2008

2.Find , giving each term in its simplest form.
January 2009

3. Expand and simplify (7 + 2)(7 – 2).
January 2009

4.y = 5x3 − + 2x − 3.

(a) Find , giving each term in its simplest form.
(b) Find .
May 2012

5.Find the set of values of x for which

(a) 2(3x + 4) > 1 – x,
(b) 3x2 + 8x – 3 < 0.
May 2013

Figure 1

Figure 1 shows a sketch of the curve with equation y = f(x). The curve has a maximum point A at (–2, 3) and a minimum point B at (3, – 5).

On separate diagrams sketch the curve with equation

(a) y = f (x + 3),
(b) y = 2f(x).

On each diagram show clearly the coordinates of the maximum and minimum points.

The graph of y = f(x) + a has a minimum at (3, 0), where a is a constant.

(c) Write down the value of a.
May 2010

7.Jill gave money to a charity over a 20-year period, from Year 1 to Year 20 inclusive. She gave £150 in Year 1, £160 in Year 2, £170 in Year 3, and son on, so that the amounts of money she gave each year formed an arithmetic sequence.

(a)Find the amount of money she gave in Year 10.
(b)Calculate the total amount of money she gave over the 20-year period. (3)

Kevin also gave money to charity over the same 20-year period.

He gave £A in Year 1 and the amounts of money he gave each year increased, forming an arithmetic sequence with common difference £30.

The total amount of money that Kevin gave over the 20-year period was twice the total amount of money that Jill gave.

(c)Calculate the value of A.
January 2010


Figure 2

Figure 2 shows a sketch of part of the curve with equation y = f(x).

The curve has a maximum point (–2, 5) and an asymptote y = 1, as shown in Figure 2.

On separate diagrams, sketch the curve with equation

(a)y = f(x) + 2,
(b)y = 4f(x),
(c)y = f(x + 1).

On each diagram, show clearly the coordinates of the maximum point and the equation of the asymptote. January 2010

9.f'(x) = , x  0.

(a) Show that f'(x) = 9x–2 + A + Bx2, where A and B are constants to be found. (3)
(b) Find f"(x).

Given that the point (–3, 10) lies on the curve with equation y = f(x),

(c) find f(x).
May 2013


Figure 3

Figure 3 shows a sketch of the curve C with equation y = f(x), where

f(x) = x2(9 – 2x).

There is a minimum at the origin, a maximum at the point (3, 27) and C cuts the x-axis at the point A.

(a) Write down the coordinates of the point A.

(b) On separate diagrams...
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