德望學校 – S2數學 2A Chapter 3 Identities – CQ (16-21)

Good Hope School – S2 Maths Exam Question (by-topic)
2A Chapter 3 Identities – CQ (16-21)

德望學校 數學 中二考試 歷屆試題 (by-topic)

Identities Conventional Questions (26-21)

數學試卷 只供溫習、操卷之用。

試卷答案:

  1. It is an identity.
  2. A = 3, B = 14, C = 2
  3. a) A = 2
    b) (x – 2)(x + 1)2
  4. P = -7, Q = 11
  5. A = 10, B = 5
  6. a) a2 +  6a + 9
    b) 4x2 – 20xy + 25y2 + 12x – 30y + 9
  7. It is an identity.
  8. It is not an identitiy.
  9. A = -6, B = 24, C = 7
  10. A = 5, B = 10
  11. a) It is an identity.
    b) 43/35
  12. a) x2 – 16x + 64
    b) a2 + 4ab + 4b2 – 16a – 32b + 64
  13. It is an identity.
  14. A = -2, B = 3
  15. It is an identity.
  16. A = 2, B = 11
  17. a) u4 – 2u2v2 + v4
    b) 64
  18. A = 3, B = -1
  19. It is an identity.

 

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