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

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

試卷答案

Section A

1. \(-\frac{1}{2}, -\frac{1}{3}, -0.1, 0.05, \frac{1}{5}\)
2. 2³ x 3³
3. -5
4. a² (y – x)
5. a) False
   b) False
   c) False
6. a) 4
   b) -x, 8x
7. a) x = 08
   b) y = -12
8. -7
9. 38
10. -30
11. 8a + 24 ≥ 40
12. \(\frac{15}{2}, \frac{15}{4}\)
13. 36
14. 4
15. Round angle
16. 50°
17. 66°
18. -1.68
19. 400%
20. 400
21. 15
22. $45
23. -25%

Section B

24. a) Do not agree
    b) 21 °C
25. a) 4x – xy – 1
    b) -1
26. 7s – 30
27. a) -3n
    b) -75
    c) -900 is a term of the sequence
28. a i) and ii)
    
    b) 61°
    c) right-angled triangle
29. x = 2
30. a) 22 cm
    b) 10.8 cm
    c) No
31. a) 240
    b) $600
    c) $20

St. Stephen’s Girls’ College Form 1 Math Mid-Year Exam 2016-17 試卷