General Thoughts - Mathematics (4 Viewers)

[samuel slack]

Be nice...well, I'm happy with a pass mark, if thats what I get...

 

[miss-smexy]

waht did you guys get for:
Q5b iv) i got some log answer from what i can remember
7a) iv)
and iii) k's value
b) ii) i 'think' i put a 6 or something?!?
Q9) b) both part 1 and 2

and how did you guys set out 9c)

I THINK i put k = 15/4

did you put that too?

 

[pinkdragon89]

lol people in my class couldnt work out the qustions about the logo (2 circles) cos they didnt regonise it was a pythagorean triangle witht the exact values and stuff. lol

hardly anyone got finished....oh well 13 units = maths not counting towards my uai woot!

 

[JeffreyTse]

FUCK!!! What the hell?! I thought that was soo much harder and longer than previous years. Anyways.. i was hoping and needed to do well in that! i think i got about 90/120!!!

GRRR~!!! You have no idea how angry i am!

 

[Buiboi]

hey but for 5b) didnt you sovle for the constant value??
liek i think i had ln(32) at first

integrate 2t/(16 + t^2) yeah?
=ln(16 +t^2) + c
x=0, t=0
c= - ln(16)
x= ln(16 + t^2) - ln (16)
at t=4
x= ln (32) - ln (16) = ln (2)

 

[wrxsti]

personally i found it quite easy :S but then again i have done 10 000 000 000 past papers :S. prolly 117+ ))
chance i could get 120. but unlikely.

my assesment mark that my teacher handed in was 100, if i get 117-8/120 would that scale up to like 100?

 

[BHHS]

The test was full of stupid little tricks like "November" and the "18th birthday" shit.,

 

[blakegman]

I hate that attitude. What the fuck did you think it was going to be? The same type of questions every year to suit your neat litte sense of security in trying to memorise the types of questions they give? This is year 12, grow up - my brother in yr 9 could do the exams if it was the same thing over and over - BOS catches on, they wanted candidates to APPLY their knowledge of mathematics, not rote learn exact questions.

I know I ranted, but I am just sick of this attitude when people complain when they are confronted with the unexpected - such a child's attitude.

you're calling him a child ? wait...

 

[farahodish]

yuppppp k=15/4.. thats one i'm SURE of

p.s. stop being mean

IT WAS IN OCTOBER!!! GOSH!!!!

i dont care. i'm gonna stay tucked up in my denial bubble

*curls up into a ball*

*rocks back and forth*

eff you hsc eff you hsc eff you hsc...

 

[Buiboi]

I THINK i put k = 15/4

did you put that too?

yeah i got 15/4

i think my p coordinate was like (1-root2)/2...?

 

[Mah]

I subbed in the wrong r value in q9- I put in 1.08 instead of 1.06 will i still get full marks?

 

[joshuaali]

Ah, yep. You get
x = ln 32 - ln 16
x = ln(32/16)
x = ln 2

Sorry, I was just remembering that off the top of my head, but yeah, that's right (or at least, I got that too).

 

[Buiboi]

I subbed in the wrong r value in q9- I put in 1.08 instead of 1.06 will i still get full marks?

hmm i dont think you will get the FULL marks but you will get credit for having the right idea i guess??

 

[anna12125]

i got k= 1/4... dunno how i got it though

i thought the exam was hard...but that was to be expected cos it's similar to other past exams. Don't think i'd get 100+

 

[mithril1337]

yeah i think it was ln2
can somone please work out the growth questio please.

Thx blakegman

ragers are everywhere .... shh! they'll hear us

 

[Buiboi]

Ah, yep. You get
x = ln 32 - ln 16
x = ln(32/16)
x = ln 2

Sorry, I was just remembering that off the top of my head, but yeah, that's right (or at least, I got that too).

awesome!!!

7b was a bitch...it shouldve been worth more

 

[joshuaali]

yeah i got 15/4

i think my p coordinate was like (1-root2)/2...?

I got P(0.5,4.25).

After finding k, don't you just sub your k value into the condition you showed in (ii) to get the x value, then sub that x value into one of the two original equations to get your y value?

 

[Forbidden.]

that was the hardest test i have ever sat!

Meh, i suck at maths, but I think I'll end up with 50-60%. Not a really difficult test.

im an average 2 uniter.

Proally 55-70% raw.

WTF WAS THAT BoS????
GRRRRRRRRRRRRRRRR

WTF

that test was insane

i have never solved a growth question like that!!!!

As you all said.

Yeah i got October. 2010

I said 2010, but not the month specifically ...

that was hard our trial was the hardest test so it wasnt like a big shock wen everyone sat this exam but it was still murder....wat was wit the exponential growth and decay question??!! they always put the hardest questions from each topic in it grrr...and that exponential equation in question6 :S ....and y BOS do u onl put on tiny question on parabola as locus in eveyr other paper then give us a 7 mark one wit fuckn discriminant and the money one...hard

They can test you on anything and everything.

 

[Originality]

That was the hardest (and most confusing) question 10, more precisely 10. b) in
2U that i've done before.
I dun even get it. =(

 

[karljl]

Question 5b) (iv) was ln 2
Question 7a) (iii) k was 15/4
Question 7a) (iv) P (1/2, 4.25) ??
Question 7b) (ii) total shaded region was 4 units sq
Question 8a) (ii) November 2010
Question 8b) (iv) p=12 q=18
Question 9b) (i) 39/51
Question 9b) (ii) (39*26*13)/(51*50*49)
Question 10a) (iii) object returns at t=7.2 seconds

I think they are good.. only lost the four marks for Q10b)(ii) so hopefully no silly mistakes.

Overall - quite easy really