德望學校 – S2數學 2B Chapter 10 Rational and Irrational Numbers – CQ (11-16)

試卷答案:

1. a) \(12\sqrt{15}\)
   b) \(\dfrac{2\sqrt{3}}{3}\)
2. 23
3. a) \(-\sqrt{2}\)
   b) \(-16\sqrt{2}\)
4. a) 2
   b) \(\dfrac{7\sqrt{6}}{12}\)
5. \(\dfrac{5\sqrt{6}}{2}\)
6. a) 33
   b) \(\dfrac{\sqrt{2}}{80}\)
7. \(\dfrac{9\sqrt{7}}{7}\)
8. a) \(-\sqrt{35}\)
   b) any correct answers, e.g. \(-\sqrt{2}\) and \(-\sqrt{8}\)
9. ABC is a straight line.

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