數學試卷答案 – St. Stephen’s Girls’ College Form 1 Math Final Exam 2015-16 Paper 1

數學試卷答案 – St. Stephen’s Girls’ College Form 1 Math Final Exam 2015-16 Paper 1

試卷答案

1. $480
2. a) 4th term = 20, 5th term = 17
   b) -4 is a term of the sequence
3. At least 8 rools of wallpaper are needed.
4. a) 2(2k – 10) ≥ 160
   (or 4k – 20 ≥ 160)
   b) It is possible.
   c) 59cm
5. a) x = 7
   b) \(33\frac{1}{3}\)%
   c) 60°
6. a) 1.2 million dollars
   b) 35%
7. a) 20°
   b) 100°
8. a)
   
   b) Yes
   c) 16
9. a) R (3, -6), S (-6, -6)
   b) i) T (6, -6)
   ii) 114
   c) 100.5
   
10. a) w = 109°, x = 39°, y = 130°, z = 20°
    b) No
    c) Yes
11. a) 40 000 cm³
    b) i) 33516 cm³
    ii) 6484 cm³
    iii) 10 cm
12. a) –
    b) x = 1
13. a) –
    b) x = 12
14. a)
    
    b) Reflect ΔA₂B₂C₂ in the x-axis to get ΔA₃B₃C₃.

St. Stephen’s Girls’ College Form 1 Math Final Exam 2015-16 Paper 1 試卷