1969-05-13 — Page 14

錢二第張四第日七十月三年南巴麼廈 WAH KIU YAT PO

邻日橘萋

二期星

日三十月五年九六九一座公羊八十五闔民钢中育教情察

橋

log (-912-) in tetas of x,

Σ

11. Find a pairs of nimbers satisfying 7x - 2y = 36,

and such that one number is three times the other

文中學會考試題預習」

A. & and

Band 3

G.4 and 12.

D. 6 and 18.

E. 10 and 30

數學科

(廿八) 歐陽絡文 KATHEMATICS ((28)

find the vilŭ e

abed.

LESSON: 28: Exercise on Paper II

ALGEBRA

Attempt ALL questions in. Section A and any FOUR questions in Section B..

Section A

Do ALL.

Identify the correct answer of each question by shading an appropriate box on a separate multiple choice answer sheet.

Credit will only be given to the correct answer.

If bien earn ein d days, how much will x men sarn iny days, at the same rate ?

fene of them above.

13. The values of 21 - 3x are calculated for values of

x which increase by 4; how do the corresponding Values of 21 - 3x change?

A. Decrease by 12

B. Increase by 12

D. $

C. Increase by 14- D. Decrease by ↳ E. no changed.

14. Find n if y^, y^ul

.C.

D. E.

and

, ring the value of

Invent an equation of unkholm x such that the sum

of its roots is 19 and the product of its roots lai 60.

A. x2- 19x +60

B. x19x + 60

Cx* - 19x + 60 -

D. x 19x - 60 - 0

Ex2 + 19x. - 60 = 0

A box 11 of super weigha W lb., and when empty

Weighs w. lb What is the weight of the sugar. In n boxes ?

A. 2nw 1b.

B. n{W+) 1b/

0% (W

A.

8. 0

0..1/14

D.+2

E-14

16 Mich-of the following.

11) (111)

(y + x)

D.0 lb.

E. in lb.

Solve x(x-

A.

C.

D.

E.

or 2

N+(+

cent of N), equali k.】rind N in terms of

100K

A 10 y

B. 10 - 7. *

C. 19

D; 1 + y = X E. 10 A

Fund K L Bax)

3

**Min a root of the other root.

B.

D. Q

E. No value

100 36 .log+

26. Mind x ir

equal root a

27. Find the value of (0.1)-3 × (15)

P. 1 2. 108

R. O

S 0.1

7. None of the above

simplify.

P. (1) and (111)

(11) and (1)

R. (11), (111) and (iv) 5. All

Nona

What tera aust. be added

berfact square

8. 622

0

KAINA: PIN

3. 1

T.

222 (2+1)

r100

B. (K N) +

C..t

6. Find H II 3k minutes past;fïveji the same tiÓ, AN

2k minutes to six..

P. 6

Q: 12

R. 1275

S. 60

T. 1

18. If xy ̈0 and ƒ 0,1what^dan" you aàg about[the]

\valus,of_x

0.10

R.Any finite valus

T. No

ir (x-1) (x − 2) = (y ~ 1)(7 - 2) and if x,y lare unequal, find x in terms of y..

P. X 3

29. iimplify (log = 2 + log b ́) + (2_log_ab)

Q. 2 log(*

5. L

T. 2 log(a + b)

**

30. Evaluate without tables log(+) 2_log 2+10g)

P 0 Q. -läg

log

7. Find the It.C.F. of (2ax)®

P. 24

(6bx)*

(8cx)*]

Q. 2x

1. do

S. *X*

T. (24 abcx)"

8. Subtract (r *) from the sum of (r • **

(r:~# + 2t).

P. r 23 ↑ t

Q. ir+ t

R. 2" - 3t

S. - 42

T. + t

9. Samplify 3.{• - [ 2 - 2(@

P. 12 - 12

Q. 12

K. 128

S. O

10. Simplify

R.x1+y

*2y-

T.No value

(20

roduct of roots or

31. ¿valuate

of the G.PH

None of the above

to 3 figures; the sum to 10 terma

£34.25

A. 17.8.

B. 20.0

C. 19.7

D. 19.5

£ 19.6

12. Find x:y:2, in

st} forn i fox

11+

21. What can you say about the value of @ LE

tion

+10x + cm 0 had no roats.

£699.

[10]

C.

10

D. 16

22. Find the LGM, of y* =`$%;

D. 5 23

E. 15

CERÆMANDEMEN)