Mathematics Department - Beliefs

Vision:

To be a value – added department that provides every Hendersonian with a good Mathematical foundation for lifelong learning.

Mission:

Through grounded practices and support, we develop resilient students with a problem-solving mind.

Tuesday, October 23, 2012

Suggested answers for EM P1

Looking at the questions a second time, do all the questions look familiar? I think a lot of them are repeated questions from O level l! So moral of the story is practising TYS does help!

Suggested answers

1a) 8.8969
1b) 8.9
2a) 9
2b) 36
3a) 5/9
3b) 8
4a) 35
4b) 43.5
5) k = 5, a = 2
6) 10.3
7a) 33
7b) 4n+1
7c) 51
8) 3.5
9a) x = 4, y = 2
9b) 6
10a) 1 : 25000
10b) 14.75
11a) x + 14y
11b) (3-x) / (x+2)^2
12a) 161 1/3
12b) 9.48
13b) -1.5 =< x < 3
15a) 110
15b) 55
15c) 70
16a) (x^7) (y^-1)
16b)(x^5) /4
17a) 32
17b) 96
17c) Male by 2 2/7%
18a) (y-3)(x+2)
18b) 3(2x+1)(x-3)
19a) 0.9
19b) 1350
19c) 64.8
20a) P(0, 10), Q(5, 0)
20b) 11.2
21a) 40
21b) 6.37
21c) 143.2
22a) 35.3
22b) 11.4
23a) 18
23b) 17
23c) 47 37/40
24ai) M=45r^2
24aii) 1620
24b) 9 : 4
25ai) 2a + 2b
25aii) -4a + 2b
25aiii) -6a + 3b
25b) vector AN = 3/2 Vector AM. A common pt, hence collinear
25c) 2 : 3
 

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