數學試卷答案 – St. Stephen’s Girls’ College Form 1 Math Final Exam 2016-17 Paper 2

數學試卷答案 – St. Stephen’s Girls’ College Form 1 Math Final Exam 2016-17 Paper 2

試卷答案

1. 15
2. -4
3. x – 2y
4. 12x² – 6x
5. 12d²
6. 5
7. 101/3
8. 320
9. 478
10. -25%
11. $420
12. $120
13. 100
14. 30
15. 7200 mL
16. 20
17. 100 cm²
18. 188cm²
19. 9 cm²
20. 14720 cm³
21. 0.4 cm
22. B, D, F
23. a) OB = OC
    b) 60°
    c) ∠AOC
24. 3
25. C (3, -4)
26. UPRW
27. 
28. 18°
29. x = 25°
    y = 75°
30. 23°
31. a) true
    b) false
    c) false
32. ΔABC ≅ ΔQPR
    Reason: SAS
33. 82°
34. ΔAOC ≅ ΔBOD
    Reason: ratio of 2 sides, inc. ∠
35. 4.4
36. a) discrete
    b) continuous
37. a) true
    b) false
    c) true
38. A

St. Stephen’s Girls’ College Form 1 Math Final Exam 2016-17 Paper 2 試卷