Page 12 - 1202 Question Bank Mathematics Form 5

Section B

9. Given m varies inversely as y in which y = 3x – 1. 11. Table shows some of the values of three variables X,
1
Given x = 5 when m = 2. Y and Z such that X fi and X fi Z .
2
(a) Express m in terms of y. [2 marks] Y
(b) Express m in terms of x. [1 mark] X 8 25
(c) Calculate the value of x when m = 4. [1 mark] Y 3 h
Answer: Z 4 10
(a)
(a) Express X in terms of Y and Z. [2 marks]
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(b) Calculate the value of h. [1 mark]
Answer:
(a)
(b)

(b)

(c)

3
10. It is given p varies directly as q and r . Given p = 108 12. It is given that M varies directly as ! N and inversely
when q = 2 and r = 3. as G . Given N = 4 when G = 2 and M = 1 .
1
3
(a) Express p in terms of q and r. [2 marks] 2
3 (a) Express M in terms of N and G. [2 marks]
(b) Calculate the value of p when q = and r = 4.
4 (b) Calculate the value of M when N = 9 and G = 3.
[1 mark]
[1 mark]
1
(c) Find the value of q when p = 6 and r = . 3
3 (c) Calculate the value of N when M = 4 and
[1 mark] G = 4. [1 mark]
Answer: Answer:
(a) (a)

(b)
(b)

(c)

(c)

9
Question 9:
Find the value of constant which relates the m and y.
Replace y with 3x – 1 and form a new equation of the relationship between m and x. SOS TIP
Enter the given value of y and find the value of m.

C01 1202BS Maths F5.indd 9 26/01/2022 3:43 PM