# paper 2 maths gcse 2014 answers

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#1
1. Midpoint

(4, 5.5) (2 marks)

2. Scatter graph

a) Plot 2 points (1 mark)

b) As the average temperature increases the unit of gas used decreases (negative correlation will be accepted) (1 mark)

c) 6 (approx.) (2 marks)

3. Using a calculator

\frac{289}{140} or 2.064285714 (2 marks)

4. Circumference

28.3 (2 marks)

5. Translation

Translation by \displaystyle \binom{5}{-3} (2 marks)

6. Driving home

2.15 p.m. (3 marks)

7. Parallel lines

54 degrees because angles at a point on a straight line add up to 180 degrees and alternate angles are equal or corresponding angles are equal (depending on which angles you found) (3 marks)

8. Survey

a) 0.29 (2 marks)

b) 195 (2 marks)

c) You may get different age groups at different times of the day and 10 is a very small sample size (2 marks)

9. Trapezium

\frac{17}{3} (4 marks)

10. Indices

a) p^6 (1 mark)

b) t^5 (1 mark)

c) 6 (1 mark)

d) 4 (1 mark)

11. Driveway

£186.20 (5 marks)

12. Arithmetic sequence

a) 5n -1 (2 marks)

b) 6n-2n^2 (1 mark)

13. Inequalities

a) -4, -3, -2, -1, 0 (2 marks)

b) x > 4.5 (2 marks)

14. Party

£25.80 (5 marks)

15. Turbines

a) 7.5 (3 marks)

b) 217 degrees (4 marks)

16. Standard form

1.875 \times 10^8 (2 marks)

17. Similar shapes

a) 7.5 (2 marks)

b) 8 (2 marks)

18. Katie

a) £209.70 (3 marks)

b) Pay increase £25.50. ticket increase £25, she is 50p per week better off (3 marks)

19. 3D coordinates

(2, \frac{4}{3}, 1) (2 marks)

20. Mean science marks

75.5 (3 marks)

21. Algebra

a) y^2-7y+10 (2 marks)

b) Proof (3 marks)

22. Biased coin

Yes she is correct (the probability is 0.064) (3 marks)

23. Stratified sample

a) A sample that is taken a particular part of the population rather than the whole (1 mark)

b) 26 (2 marks)

24. Inverse proportion

8 (3 marks)

25. Hemisphere and cone

302 (3 marks)

x = 6 and y = 0

x = -3.6 and y = -4.8 (5 marks)

27. Parallelogram

43.9 (5 marks)
0
6 years ago
#2
(Original post by 101genius)
1. Midpoint

(4, 5.5) (2 marks)

2. Scatter graph

a) Plot 2 points (1 mark)

b) As the average temperature increases the unit of gas used decreases (negative correlation will be accepted) (1 mark)

c) 6 (approx.) (2 marks)

3. Using a calculator

\frac{289}{140} or 2.064285714 (2 marks)

4. Circumference

28.3 (2 marks)

5. Translation

Translation by \displaystyle \binom{5}{-3} (2 marks)

6. Driving home

2.15 p.m. (3 marks)

7. Parallel lines

54 degrees because angles at a point on a straight line add up to 180 degrees and alternate angles are equal or corresponding angles are equal (depending on which angles you found) (3 marks)

8. Survey

a) 0.29 (2 marks)

b) 195 (2 marks)

c) You may get different age groups at different times of the day and 10 is a very small sample size (2 marks)

9. Trapezium

\frac{17}{3} (4 marks)

10. Indices

a) p^6 (1 mark)

b) t^5 (1 mark)

c) 6 (1 mark)

d) 4 (1 mark)

11. Driveway

£186.20 (5 marks)

12. Arithmetic sequence

a) 5n -1 (2 marks)

b) 6n-2n^2 (1 mark)

13. Inequalities

a) -4, -3, -2, -1, 0 (2 marks)

b) x > 4.5 (2 marks)

14. Party

£25.80 (5 marks)

15. Turbines

a) 7.5 (3 marks)

b) 217 degrees (4 marks)

16. Standard form

1.875 \times 10^8 (2 marks)

17. Similar shapes

a) 7.5 (2 marks)

b) 8 (2 marks)

18. Katie

a) £209.70 (3 marks)

b) Pay increase £25.50. ticket increase £25, she is 50p per week better off (3 marks)

19. 3D coordinates

(2, \frac{4}{3}, 1) (2 marks)

20. Mean science marks

75.5 (3 marks)

21. Algebra

a) y^2-7y+10 (2 marks)

b) Proof (3 marks)

22. Biased coin

Yes she is correct (the probability is 0.064) (3 marks)

23. Stratified sample

a) A sample that is taken a particular part of the population rather than the whole (1 mark)

b) 26 (2 marks)

24. Inverse proportion

8 (3 marks)

25. Hemisphere and cone

302 (3 marks)

x = 6 and y = 0

x = -3.6 and y = -4.8 (5 marks)

27. Parallelogram

43.9 (5 marks)
Oh you're studying theoretical physics? :-o
0
6 years ago
#3
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