dam man... A maths worst case scenario minus bout 18 points -.- no more A1 liaoz... recorded the answers on my qn paper...

1.
i) 3.46, suppose to be surds -.-, -1marks
ii) show but show with different method, -3marks

2. X= -1.8
Y= 1.2
should be correct, alot of frens also same ans

3. A-1 correct but end solve wrong, take as whole ques wrong, -5marks

4.
i) x^2 (3lnx + 1)
ii) (x^2( xlnx )) / 3 (think is wrong), -3marks

5.
i) ( -1/ (x-5) ) + ( 9 / (x+1) ) should be correct
ii) grad= -8/9

6.
i) takes 12seconds to travel from A to B
ii) 144m
iii) -2m/s^2

7. x-coordinate is 1.05 (3sf)

8.
i) show is correct
ii) 0.524, 1.57, 2.62 (should be correct, confirmed with jared)

9. Ann is 18, Betty is 12

10.
a) 4
b) 7 (wrong... confirm), -3marks

11.
i) 3/5
ii) -20

12.
i) K=20, B= 0.90
ii) careless... got 2.304x10^10 amazing hor, -2marks

13.
i) shown properly
ii) 8100cm3
iii) minimum (retarded got negative ans y the fuck i put minimum... not thinking) -1mark

END, total -18, worst case scenario...
62/80 -.- FAIL LIAO LAR!!!!

so disappointed in myself... any1 got confirm correct answers?? juz say... minus more then the 18 lor.. fail liaoz anyway... ppl say easy, say full marks -.- i liddat...
still have to chiong geog tonight... wargh this is too much... gonna implode soon...