MARKING SCHEMES:

FORM 2 MID TERM 2

MATHEMATICS

1. (3 marks)

2. . (2 marks)

(2 marks)

3. (4 marks)

4. (3 marks)

44

44

44

44

444

ba

ac

acba

ac

acbaca

5. (4 marks)

6. (3 marks)

7. .

(a) In what ratio did it decrease? (1 mark)

5:4150:120

(b)

(2 marks)

cm

cmwidthnew

112

1405

4

8. Given the following currency exchange rate, calculate to 3 significant figures the number of dollars that

can be exchanged for 25 Sterling pounds.

1 US dollar ($) = Ksh 76.85

1 Sterling pound (£) = Ksh 115.30

9. .

(4 marks)

10. . (3 marks)

11. . (3 marks)

12. . (3 marks)

13. . (3 marks)

14. . (3 marks)

15. . (4 marks)

2

2

2

2

2.93638512100

110

8512173650401736

5040

30402

128

7

2240

2

128

7

22

1736

284022

11414

7

22

cmneededMetal

cmareatotal

cm

areasurfacecurved

cm

Areabase

16. .

(a) 352015PTRangle ( 2 marks)

(b) ( 2 marks)

105

360)35180(9020

QYP

QYP

17. (a) (4 marks)

(b) (2 marks)

1122

1.01.4

ACB

cmcmAC

(c) Construct a circle that passes through A, B and C. (3 marks)

(d) What is the radius of this circle? (1 mark)

cmradius 1.02.5

18. .(a) (4 marks)

(2 marks)

(2 marks)

(2 marks)

19. . (a) . (3 marks)

(3 marks)

(4 marks)

20. . (a). (5 marks)

(2 marks)

(3 marks)

21. (4 marks)

(b) Calculate the total time for the whole journey. (4 marks)

(2 marks)

22. . (2 marks)

(4 marks)

(4 marks)

23. .

(4 marks)

(c) Both graphs are straight lines (1 mark)

(d) x =3 ,y = -2 (1 mark)

24.

(10 marks)