數學試卷答案 – St. Stephen’s Girls’ College Form 2 Math Final Exam 2018-19 Paper 1
試卷答案
- a) 55°
b) 20° - 10
- 24
- Time required = 6.25 min > 6 min. Therefore, don’t agree.
- 100g
- a) 10 : 15: 21
b) 7 : 44 - a) m = 2
b) x = 1/3, y = 13/3
c) (0, 5) - a) 94.5 | 0
104.5 | 4
114.5 | 14
124.5 | 19
134.5 | 26
144.5 | 37
154.5 | 40
b)
c) There are 23 out of 40 adults have bolld pressure ≥ 120 mmHg. Therefore, 57.7% of the group haver a rish in getting high blood pressure. Hence, the claim is correct. - a) i) \(h^{2}=144-x^{2}\)
ii) \(h^{2}=196-(20-x)^{2}\)
b) x = 8.7, h = 8.26 - a) 5a – 5b
b) \(\dfrac{\sqrt{5}}{2}\) - a) (x + 1)(y – 1)
b) 8(3x + 2y – 2)(y + 1) - a) \(\dfrac{15}{x+3}\)
b) i) \(x=\dfrac{15-3a}{a}\)
ii) x = -8 - a) i) \(x^{4}+10x^{2}+25\)
ii)\(x^{4}-10x^{2}+25\)
b) –
c) – - a) 63.4°
b) 6.03 cm - a) 2
b) 15°
c) \(2+\sqrt{3}\) - a) 1
b) 1 - a) \(sin^{2}\theta\)
b) \(cos\theta(sin\theta+1)\)
c) \(\dfrac{1}{tan\theta}\)
d) 11.31°
St. Stephen’s Girls’ College Form 2 Math Final Exam 2018-19 Paper 1 考試卷
