數學試卷答案 – St. Stephen’s Girls’ College Form 2 Math Final Exam 2017-18 Paper 2

數學試卷答案 – St. Stephen’s Girls’ College Form 2 Math Final Exam 2017-18 Paper 2

試卷答案

1. \(\dfrac{a^{7}}{b^{3}}\)
2. a) 2b² + b
   b) 12 – 2x – 2x²
3. k = -2
4. a) False
   b) False
   c) True
5. a = 3
6. 205 cm³ 
7. 5.03125 ≤ x < 7.03125
8. x = 7
   y = 0.5
9. $8
10. x = 0.5
    y = 1
11. a) 28min – 32min / fifth class interval
    b) 5 min
    c) 36%
12. a) 14
    b) 72.5 kg
13. Bridge club
14. 37 pairs/day
15. 6:55 a.m.
16. 7 : 6
17. 12 : 27 : 28
18. $200
19. 1 : 150 000
20. 142°
21. 88°
22. 3600°
23. 12
24. 126°
25. 91
26. 8
27. 70 cm
28. 5
29. a) \(6\sqrt{3}\)
    b) \(3\sqrt{6}\)
30. a) 51.3°
    b) 19.3°
31. \(200\sqrt{3}\)
32. ∠A = 53.1°
    ∠C = 36.9°
33. \(\sqrt{2}\)
34. \(\dfrac{\sqrt{33}}{4}\)
35. a) 30°
    b) 10°

St. Stephen’s Girls’ College Form 2 Math Final Exam 2017-18 Paper 2 試卷