德望學校 – S1數學 1A Chapter 6 Manipulation of Simple Polynomials – CQ (16-21)

Good Hope School – S1 Maths Exam Question (by-topic)
1B Chapter 12 Manipulation of Simple Polynomials – CQ (16-21)

德望學校 數學 中一考試 歷屆試題 (by-topic)

Manipulation of Simple Polynomials Conventional Questions (16-21)

數學試卷 只供溫習、操卷之用。

試卷答案:

  1. a) \(-\dfrac{a^{2}{4}\)
    b) 35 + 19x + 2x2
    c) 4xy – 5y2 + 6x2 + 1
  2. a) m + 2my – ny – 2ny2 + 4y2 + 8y3
    b) n = 2, m = 1
    c) (1 + 2y)(1 – 2y + 4y2)
  3. a) 3a – 1
    b) 3ab2 + ba2 +4a2b2
    c) -8a6
    d) 8x2 – 2x – 15
  4. -7
  5. -24y2 + 22xy – 6x2
  6. \(\dfrac{40}{x^{2}}\)
  7. a) \(\dfrac{b^{6}{2a^{2}}\)
    b) -12n2 + 20n – 3
    c) I agree.
  8. a) AB = (19 – 2a2) (cm)
    b) Area = (19/2  + 18a2 – 2a4) (cm2)
  9. c) \(-\dfrac{9}{2y^{6}}\)
    d) 6x2 + 59x + 45
  10. a) 5 – 8x2 + 6y – 7xy
    b) 4x2 + 26x + 30
  11. a) \(\dfrac{x^{4}}{y^{2}}\)
    b) \(\dfrac{147}{8x^{2}y^{3}}\)
  12. 6
  13. -5y – 24

 

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