Question 1
A straight line passes through the point (โ 1, โ 1) and
Draw the line for values of x from โ 3 to 3
[3 marks]
A straight line passes through the point (โ 1, โ 1) and
Draw the line for values of x from โ 3 to 3
[3 marks]
2 5n2 + 2 38
Work out all the possible integer values of n.
[2 marks]
The equation of a curve is y = x4 โ 3kx2 where k is a constant. When x = 2 the rate of change of y with respect to x is 23
Work out the value of k.
[3 marks]
Here is some information about three linear sequences, A, B and C.
n th term of C = n th term of A + n th term of B
The n th term of C is 42 โ 3 n The first four terms of B are 14 22 30 38
Work out the 20th term of A.
[4 marks]
The function f is given by f(x) = 3x2 + 2 with domain โ1 x
4
Work out the range of the function.
[2 marks]
Circle the coordinates of the point where the curve crosses the y-axis.
(โ 5, 0)
(0, โ 5)
(โ 13, 0)
(0, โ 13)
[1 mark]
Write down the coordinates of the maximum point of the curve.
[1 mark]
Give your answer in the form a + bxn where a, b and n are integers.
[3 marks]
A set of 4-digit integers each have a first digit greater than 6 and a second digit less than 8
What is the greatest possible number of integers in the set that are multiples of 5 ?
[3 marks]
f is a cubic function. The curve y = f(x) has a minimum point at (a, 0) and a maximum point at (1, b)
Tick one box for each statement.
[2 marks]
ABC and ACD are triangles.
Work out the area of triangle ACD.
[4 marks]
The equation of a circle is (x โ 2)2 + (y + 3)2 = 16 The equation of a line is y = 4 โ x The circle and line intersect at two points, A and B.
Show that the x-coordinates of A and B satisfy the equation 2x2 โ 18x + 37 = 0
[3 marks]
For A, the x-coordinate and y-coordinate are both positive.
Work out the coordinates of A. Give each coordinate to 2 decimal places.
[3 marks]
Expand and simplify fully (3 x โ 1)(4 โ x)(2 x + 5)
[3 marks]
P is the point on the graph y = 3 โ x that has x-coordinate โ 2
Work out the x-coordinate of Q.
[3 marks]
Give your answer in the form + xc where a, b and c are integers.
[3 marks]
A solid cone has base radius 7 cm, perpendicular height h cm and slant height l cm
Work out the size of the angle between the slant height and the base.
[4 marks]
ABCDEFGH is a cuboid. ABCD is horizontal. MN is vertical. The acute angle between the planes MNB and HDCG is 36ยฐ
Work out the length CN.
[2 marks]
In the expansion of (3 + ax)5 where a is a non-zero constant
Work out the possible values of a.
[4 marks]
AB is the tangent to the circle (x โ 3)2 + (y โ 4)2 = 29 at the point (5, 9)
Work out the area of triangle A O B.
[5 marks]
g(x) = 18x2 + 15x
Work out the values of a, b and c.
[6 marks]
A, B and C are points on a circle. PAC is a straight line. PB is a tangent to the circle.
[5 marks]
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