Question 1
Expand and simplify 5(2 x – 1) + 4(11 – x) Give your answer in the form a (bx + c) where a, b and c are integers greater than 1
[3 marks]
Expand and simplify 5(2 x – 1) + 4(11 – x) Give your answer in the form a (bx + c) where a, b and c are integers greater than 1
[3 marks]
5 m is decreased by 40% The answer is (m + 1)
Work out the value of m.
[2 marks]
The rectangle and triangle shown have equal areas.
Work out the value of Give your answer in its simplest form.
[3 marks]
The equations of the two circles shown are
Work out the shaded area. Give your answer as an integer multiple of π.
[3 marks]
SQR is a right-angled triangle. P is a point on SQ. Angle SPR = 45 ° M is the midpoint of QR. k is a constant.
Work out the coordinates of M.
[3 marks]
w3x2y5 = w13x7
Write y in terms of w and x. Give your answer in its simplest form.
[2 marks]
A function f is given by
A sketch of y = f(x) is shown.
Work out all the values of x for which f(x) = – 12
[4 marks]
Expand and simplify fully (5x + 3y2)(4x – y2)
[3 marks]
A and B are points on the line y = 3 x + 2 B, C and D (5, 0) are points on the line L. O A: AC = 1: 4
Work out the x-coordinate of B.
[5 marks]
P is the point on the curve y = ax3 + 10x2 where x = 2 The gradient of the normal to the curve at P is –
Work out the value of a.
[4 marks]
A, B and C are points on a circle, centre O. ACD is a straight line. Angle BCD = w
Prove that w = x + 90 °
[5 marks]
The coefficient of x4 in the expansion of (a + 2x)6 is 1500
Work out the two possible values of a.
[3 marks]
ABCDEFGH is a cube with side length 32 cm M and N are points on DH and CG respectively.
Work out the size of the angle that the line BM makes with the plane ABCD.
[5 marks]
f(x) = (x + 2)3 g is a function such that gf(x) = (x + 2)12
Work out an expression for g(x)
[1 mark]
h(x) = x2 + 5 k is a function such that hk(x) = 4x2 + 5
Work out an expression for kh(x)
[2 marks]
3x2 + 2bx + 8a can be written in the form 3(x + a)2 + b + 2
Work out the two possible pairs of values of a and b.
[6 marks]
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