CSSA 2013 MX2 Trial Discussion (2 Viewers)

[iBibah]

Thought I'd kick it off.

For those interested, the last part of question eight was essentially 2009 HSC question 7(b).


Thoughts?

 

[Sy123]

2013 CSSA 4U Maths thoughts?

This exam was really a disappointment, I thought CSSA could produce better papers than they did today.

Hell, the very last question was ripped from a HSC paper.

 

[Kobweb]

Re: 2013 CSSA 4U Maths thoughts?

How did people find the tangent of QSR in the conics question

 

[Kobweb]

Re: 2013 CSSA 4U Maths thoughts?

Tell us your thoughts what are people expecting?

 

[RealiseNothing]

Re: 2013 CSSA 4U Maths thoughts?

This exam was really a disappointment, I thought CSSA could produce better papers than they did today.

Hell, the very last question was ripped from a HSC paper.

Which question did the Q16 get ripped from?

 

[Sy123]

Re: 2013 CSSA 4U Maths thoughts?

How did people find the tangent of QSR in the conics question

Just a load of algebra, subbing gradients into that angle between 2 lines formula

 

[iBibah]

Which question did the Q16 get ripped from?

Ah fine my thread dies

From 2009 q7(b)

 

[Sy123]

Re: 2013 CSSA 4U Maths thoughts?

Which question did the Q16 get ripped from?

HSC 2009 Q7(b), the only thing different was m replaced with n.

EDIT: beeeten

 

[RealiseNothing]

Re: 2013 CSSA 4U Maths thoughts?

Ah fine my thread dies

From 2009 q7(b)

HAHAHAHAHHAHA

oh dear CSSA

Not only has that question been done in a past HSC paper recently, it's popped up in the 4U marathon thread at least 3 times lol.

 

[RealiseNothing]

Re: 2013 CSSA 4U Maths thoughts?

HSC 2009 Q7(b), the only thing different was m replaced with n.

EDIT: beeeten

That's so bad haha.

 

[integral95]

Re: 2013 CSSA 4U Maths thoughts?

lol surprisingly easy haha

 

[andrew29223]

i know this is unrelated to cssa but my school used questions from different papers and my teacher said this was from the western region paper... no one could do it, pretty sure they typed it out wrong for us but here:

integral: (5x-3)/(x^2 +6x-14)
im thinking it shouldve been +14? anyone?

 

[RealiseNothing]

i know this is unrelated to cssa but my school used questions from different papers and my teacher said this was from the western region paper... no one could do it, pretty sure they typed it out wrong for us but here:

integral: (5x-3)/(x^2 +6x-14)
im thinking it shouldve been +14? anyone?

http://www.wolframalpha.com/input/?i=integrate+(5x-3)/(x^2++6x+-+14)

 

[Carrotsticks]

Re: 2013 CSSA 4U Maths thoughts?

Good job CSSA.

 

[andrew29223]

http://www.wolframalpha.com/input/?i=integrate+(5x-3)/(x^2++6x+-+14)

obviously i checked wolfram first, do you really think we would be asked to find that integral^
i solved it with + 14 and it works, making a log and an inverse tan that arent complicated

 

[natnat96]

Re: 2013 CSSA 4U Maths thoughts?

it was wayy better than last years cssa paper, but just one question... how were u meant to prove the last induction question (q16) true for n=1? i kept getting RHs =1 and LHS = 0.5 and obvs LHS wasnt greatter omggg spent like half an hour on that !

 

[J2good4u]

Did you have to change the tension from Newtons?

 

[chris_power_96]

i know this is unrelated to cssa but my school used questions from different papers and my teacher said this was from the western region paper... no one could do it, pretty sure they typed it out wrong for us but here:

integral: (5x-3)/(x^2 +6x-14)
im thinking it shouldve been +14? anyone?

You can still get an answer with -14, just make the denominator (x+3-(23)^.5)(x+3+(23)^.5), then use partial fractions and you should get a log

 

[JohnMaximus]

You can still get an answer with -14, just make the denominator (x+3-(23)^.5)(x+3+(23)^.5), then use partial fractions and you should get a log

Too difficult for allocated marks.

 

[SpiralFlex]

I am lead to believe that many people from the Catholic Association body view BoS regularly for student opinions. They could be viewing you guys now