德望學校 – S1數學 1A Chapter 3 Algebraic Equations in 1 Unknown – CQ (11-16)

試卷答案:

1. a) $(350x – 50)
   b) $1000
2. 3
3. y = -21/5
4. a) 320
   b) x = 0, 
        Total marks gained by Steve = 260
   OR
       x = 1,
       Total marks gained by Steve = 290
5. y = -1/5
6. a) \(y=\dfrac{c+5b}{2a}\)
   b) x = -5
7. There are 288 books.
8. p = 3
9. y = -37/32
10. a) m = -126
    b) n = -20
11. 587000
12. x = 1
13. x = -9/11
14. a) \(B = \dfrac{3}{2}A – 10\)
    b) \(B = \dfrac{5}{4}\)
15. Width is 10cm, height is 25cm
16. x = 6

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