數學試卷答案 – St. Stephen’s Girls’ College Form 1 Math Final Exam 2018-19 Paper 2

數學試卷答案 – St. Stephen’s Girls’ College Form 1 Math Final Exam 2018-19 Paper 2

數學試卷答案

1. -1/3
2. \(2^{2}\times 3^{2}\times 5\) or 180
3. -8
4. \(\dfrac{p+4}{m^{2}}\)
5. 4
6. x = -2
7. x = 2
8. 6
9. \(\dfrac{2+5x}{2} \geqslant 80\)
10. 16
11. y = -6
12. 135°
13. 400%
14. 20%
15. $34
16. #252
17. 20%
18. 25%
19. 23.4
20. h = 4.8
21. 21
22. 6 cm
23. O, B
24. 10
25. (-3, -2)
26. 28
27. (3, 140°) or (3, 320°)
28. P (8, -4)
29. 2
30. B
31. 20°
32. 65°
33. 60°
34. 268°
35. ΔABC ≅ ΔADC
    Reason: SAS
36. ΔPQR ∼ ΔZXY
    Reason: 3 sides proportional
37. x = 8
38. 9
39. 420
40. B

St. Stephen’s Girls’ College Form 1 Math Final Exam 2018-19 Paper 2 試卷