德望學校 – S3數學 3B Chapter 8 Coordinate Geometry of Straight Lines – CQ (16-21)

試卷答案:

1. a) 3: 2
   b) 8 sq. units
2. a) 6.80 (or \(\tfrac{\sqrt{185}}{2}\)
   b) AD ⊥ BC
   c) I do not agree.
3. a i) -8
     ii) (0, 6)
   b) I do not agree.
4. a) 71.6°
   b) -1/3
   c) –
5. a) (6, 2)
   b) –
6. a) (3, 4)
   b i) –
     ii) (13/3, 8/3)
   c) (7, 2)
7. a) (1, -10)
   b) ΔABC is a right-angled triangle.
   c) –
8. a) (0, 5)
   b i) 0
     ii) –
9. (3, 7)
10. a) –
    b) 48 sq. units
11. a) a = 9, b = 8
    b) I do not agree with the claim.
12. (7/5, 0)
13. –
14. a) 5
    b) (4, 1)
    c) 1: 2

< 返回 德望學校 – 中三數學考試 試題庫 主頁 >