Question 1
The 5th term in sequence A is also a term in sequence B.
Work out the position of the term in sequence B.
[3 marks]
The 5th term in sequence A is also a term in sequence B.
Work out the position of the term in sequence B.
[3 marks]
C and E are points on the circle with equation x2 + y2 = 144 CD is a straight line. O D: DE = 5: 1
Work out the shaded area. Give your answer as a decimal.
[4 marks]
The equation of a straight line is 2 ax + y = 25 where a is a constant. The line passes through the point (3, 1)
Work out the value of the gradient of the line.
[3 marks]
4 –5 ≤ n 5
Work out the range of possible values of n2
[2 marks]
The equation of a curve is y = x5 + px4 where p is a constant. When x = – 1 the gradient of the curve is – 3
Work out the value of p.
[3 marks]
C is a point on the straight line AB.
AC: CB = 3: 2
Work out the equation of the straight line passing through O and C.
[3 marks]
k is a positive integer.
Prove that 4 k (k + 8) – (4 k + 9)(k – 1) is a multiple of 9
[3 marks]
The first four terms of a quadratic sequence are
–1 11 31 59
Work out an expression for the n th term. Give your answer in the form an2 + b where a and b are constants.
[2 marks]
Factorise fully (x – 1)9 + (x – 1)8(x + 4)
[2 marks]
Circle the matrix that represents an enlargement, scale factor 3, centre O.
[1 mark]
O ABC is the unit square. O (0, 0) A (1, 0) B (1, 1) C (0, 1)
O ABC is mapped to O A ′ B ′ C ′ under a combined transformation of K followed by L.
Work out the coordinates of A ′, B ′ and C ′.
[3 marks]
All lengths shown are in centimetres.
Use Pythagoras’ theorem to show that 4w2 – 8w – 21 = 0
[2 marks]
Work out the size of angle x.
[3 marks]
For a curve y = f(x)
Show that the curve has a turning point where x = 3
[1 mark]
Use to work out the nature of the turning point. You must show your working.
[2 marks]
A, B, C and D are points on a circle. EBF is a tangent.
Work out the value of x.
[4 marks]
Solve
Do not use trial and improvement. You must show your working.
[5 marks]
ABCDEF is a triangular prism. ABCD is a rectangle and angle BCF is 90 ° AB = 14 cm BC = 8 cm CF = 6 cm M is the midpoint of EF.
Work out the size of angle BMD.
[5 marks]
f(x) = 4x3 – 7 g(x) = 6x + 8
Work out the value of x for which f(2 x) = gf(x)
[4 marks]
Here is a sketch of the curve with equation y = 4 + 2x – x2 The tangent to the curve at the turning point P is shown. The normal to the curve at Q meets this tangent at R.
Work out the x-coordinate of R.
[5 marks]
θ is an angle between 270 ° and 360 ° cos θ = and tan θ = –3k where k is a positive constant.
Work out the value of θ.
[2 marks]
Work out the values of x between 0 ° and 360 ° for which
[3 marks]
The paper as printed
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