St. Stephen’s Girls’ College Form 4 Maths Mid-Year Exam 2020-21

試題答案:

Section A

1. B
2. A
3. D
4. C
5. B
6. C
7. D
8. D
9. A
10. C
11. A
12. B

Section B

13. \(y=\dfrac{2x^{2}+8x}{x+5}\)
14. \(\dfrac{b^{13}}{a^{6}}\)
15. a) (2x – 3y)²
    b) (2x – 3y)(2x – 3y + 6)
16. x² – 6x + 4 = 0
17. -1
18. a) -18
    b) P = (-5/2, 0)
         Q = (10, 0)
19. 41 cm

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