Question 1
Circle the factor of x2 – 5x
x – 1 – 5 x x – 5 5 x
[1 mark]
Circle the factor of x2 – 5x
x – 1 – 5 x x – 5 5 x
[1 mark]
A is half of B. Work out the ratio A: B Circle your answer.
1: 2 2: 1 1: 3 3: 1
[1 mark]
The first three terms of a geometric progression are
Circle the fourth term.
[1 mark]
Circle the reason why these triangles are congruent.
ASA RHS SAS SSS
[1 mark]
Lines A, B, C, D and E intersect as shown. Lines A and B are parallel.
Work out the size of angle x.
[3 marks]
7 102 boys and 85 girls took a test. The table shows information about the mean marks.
| Boys | Girls | |
| Number of students | 102 | 85 |
| Mean mark | 68.5 | 72.4 |
The pass mark for the test was 70 Was the mean mark for all of these students greater than the pass mark? You must show your working.
[3 marks]
Describe fully the single transformation that maps triangle ABC to triangle ADE.
[3 marks]
A ball contains 5000 cm3 of air. More air is pumped into the ball at a rate of 160 cm3 per second. The ball is full of air when it becomes a sphere with radius 15 cm
Does it take less than 1 minute to fill the ball? You must show your working.
[4 marks]
p is a positive number. n is a negative number. For each statement, tick the correct box.
[4 marks]
250 trains arrived at a station. The number of trains that were late was recorded after every 50 trains. The table shows some information about the results.
| Total number of trains 50 100 | 150 | 200 | 250 |
| Total number of late trains 16 21 | 36 | 38 | 55 |
| Relative frequency of late trains 0.32 0.21 |
Complete the relative frequency graph.
[3 marks]
Write down the best estimate of the probability that a train arriving at the station is late.
[1 mark]
A, B and C are three points on a circle. The radii from A, B and C are shown.
Is AC a diameter of the circle? You must show your working.
[3 marks]
A straight line has gradient 6 and passes through the point (3, 19) Work out the equation of the line. Give your answer in the form y = mx + c
[3 marks]
The population of butterflies in a park is 4200
Assume that the population increases by 12% each day. Show that after 20 days the population would be greater than 40 000
[2 marks]
In fact, the population increases by 13% each day for 19 days then decreases by 8% for 1 day. After the 20 days, is the actual population greater than 40 000 ?
Show working to support your answer.
[2 marks]
The expected number of visitors to the park each day depends on the temperature.
| Temperature | Expected number of visitors each day |
| Less than 21°C | 700 |
| 21°C or more | 900 |
On each of the 30 days in June the park is open the probability that the temperature is less than 21°C is 0.4 Work out the total number of expected visitors to the park in June.
[3 marks]
L is directly proportional to D2 L = 85 when D = 10
Work out an equation connecting L and D.
[3 marks]
Work out the value of L when D = 5
[2 marks]
Here is a cube with edge length x cm One diagonal is shown.
Circle the length, in centimetres, of the diagonal.
[1 mark]
The total length, in centimetres, of the edges of the cube is a multiple of 18 Circle the correct statement.
x is a x is not a x might be a whole number whole number whole number
[1 mark]
20 people were asked which device they used more often, laptop or phone. The table shows the results.
| Laptop | Phone | |
| Male | 2 | 9 |
| Female | 4 | 5 |
One male and one female are chosen at random. Work out the probability that exactly one of them said laptop.
[3 marks]
Two males are chosen at random. Work out the probability that they both said phone.
[2 marks]
On the grid, identify the region represented by
Label the region R.
[3 marks]
The graph shows the height above ground of a toy rocket for 10 seconds.
For how long is the rocket in the air? Circle your answer.
10 seconds 9 seconds 6 seconds 4 seconds
[1 mark]
Using the graph, estimate the speed of the rocket after 6 seconds. State the units of your answer.
[3 marks]
A square has an area of 0.25 square metres. Circle the length, in centimetres, of one side of the square.
0.5 cm 5 cm 50 cm 500 cm
[1 mark]
x is an integer. Prove that 35 + (3x + 1)2 – 2x(4x – 3) is a square number.
[4 marks]
Liam is trying to remember a 3-digit code. He knows the rule that the first digit is a cube number the second digit is a factor of 16 the third digit is an odd number. Liam tries at random a code that matches the rule. Work out the probability that this is the correct code.
[4 marks]
A ship sails from P to Q and then from Q to R. Q is 12 miles from P, on a bearing of 080° R is 28 miles from Q, on a bearing of 155°
Work out the direct distance from P to R.
[4 marks]
The flight of a plane was in two stages. The table shows information about the flight.
| Distance (miles) | Speed (mph) | Time (hours) | |
| 1st stage | 731 | x | 731 x |
| 2nd stage | 287 | x – 24 | 287 x |
In total, the flight lasted 2 hours. Work out the value of x.
[5 marks]
The equation of a curve is y = x2 + 14x + 52 By completing the square, work out the coordinates of the turning point. You must show your working.
[3 marks]
The paper as printed
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