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    Events Manager Carrotsticks's Avatar
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    2017 HSC Mathematics Paper thoughts

    How did you find it?

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    Re: 2017 HSC Mathematics Paper thoughts

    Fairly good until question 15 and 16 which was quite hard

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    Cadet JAMLO's Avatar
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    Re: 2017 HSC Mathematics Paper thoughts

    Can someone please scan the paper
    HSC 2015 - English Advanced, Chemistry, Mathematics Extension 1, Mathematics Extension 2, Physics,

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    Re: 2017 HSC Mathematics Paper thoughts

    Quote Originally Posted by Carrotsticks View Post
    How did you find it?
    It was alright, and the questions weren't too bad compared to previous years

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    Re: 2017 HSC Mathematics Paper thoughts

    Was a very mathsy paper
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    Re: 2017 HSC Mathematics Paper thoughts

    what do you reckon the band 6 cutoff will be?
    Last edited by Deltex1933; 23 Oct 2017 at 5:52 PM.
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    Re: 2017 HSC Mathematics Paper thoughts

    Everything was fairly easy except for question 16.

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    Re: 2017 HSC Mathematics Paper thoughts

    gg

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    Re: 2017 HSC Mathematics Paper thoughts

    Band 4 cutoff?

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    Re: 2017 HSC Mathematics Paper thoughts

    Question 16 was so tough, and I didn't realise there was the last page until 10 minutes remaining
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    Re: 2017 HSC Mathematics Paper thoughts

    Quote Originally Posted by Eluate View Post
    Question 16 was so tough, and I didn't realise there was the last page until 10 minutes remaining
    Same thing happened to one of my friends today...

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    Re: 2017 HSC Mathematics Paper thoughts

    Woooooo, I totally screwed that one up.
    If I didn't have extra units I'd be in a bad state right now, damn.

    Only doing this crappy subject because of my parents anyway, I'm glad to be done with it.
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    Re: 2017 HSC Mathematics Paper thoughts

    It was fine tbh. Lost 7 marks defs for the last two qs and the find x for sin a = sin b qs. Hope I get 85+ fml
    HSC 2017
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    New Member katasenpai's Avatar
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    Re: 2017 HSC Mathematics Paper thoughts

    What did everyone get for the values of 'a' in the limiting sum = 2 question?? I got 0<a<4 but not sure
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    Re: 2017 HSC Mathematics Paper thoughts

    All I remember is that you had to know that the absolute value of r<1 and then you rearrange the formula to make r the subject and substitute that in
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    Re: 2017 HSC Mathematics Paper thoughts

    Pretty good! I found it easier than other years actually

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    Re: 2017 HSC Mathematics Paper thoughts

    Omfg i got theh same
    Quote Originally Posted by katasenpai View Post
    what did everyone get for the values of 'a' in the limiting sum = 2 question?? I got 0<a<4 but not sure
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    New Member grigsonator99's Avatar
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    Re: 2017 HSC Mathematics Paper thoughts

    Exam was alright overall

    Same can't be said for Q16 specifically tho

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    Re: 2017 HSC Mathematics Paper thoughts

    what did everyone get for question 10 where it asked for how many times the velocity changed direction?

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    New Member grigsonator99's Avatar
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    Re: 2017 HSC Mathematics Paper thoughts

    I put down 3 because of three stationary points

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    Re: 2017 HSC Mathematics Paper thoughts

    Quote Originally Posted by sarkar_as View Post
    what did everyone get for question 10 where it asked for how many times the velocity changed direction?
    I think I chose 2 because you count how many times it goes from positive to negative or negative to positive. But I think might have misread the graph, not sure lmao
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    Re: 2017 HSC Mathematics Paper thoughts

    Quote Originally Posted by katasenpai View Post
    I think I chose 2 because you count how many times it goes from positive to negative or negative to positive. But I think might have misread the graph, not sure lmao
    yayy u got it right haha. its cos the top half is the positive direction and vice versa. the stationary points only highlight a change in speed i.e. like it slowed down more
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    Re: 2017 HSC Mathematics Paper thoughts

    Quote Originally Posted by katasenpai View Post
    I think I chose 2 because you count how many times it goes from positive to negative or negative to positive. But I think might have misread the graph, not sure lmao
    Well if its velocity, does it not mean that when its below the graph its just moving in the same direction but alternates speed?
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    New Member Deltex1933's Avatar
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    Re: 2017 HSC Mathematics Paper thoughts

    Quote Originally Posted by Eluate View Post
    Well if its velocity, does it not mean that when its below the graph its just moving in the same direction but alternates speed?
    Yeah that’s right. Also, if the particle only touches the x-axis, does that count as a change in direction?
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    Junior Member 1729's Avatar
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    Re: 2017 HSC Mathematics Paper thoughts

    Quote Originally Posted by Mathew587 View Post
    yayy u got it right haha. its cos the top half is the positive direction and vice versa. the stationary points only highlight a change in speed i.e. like it slowed down more
    No it's 1. It stops at first but doesn't change direction.

    Quote Originally Posted by Deltex1933 View Post
    Yeah that’s right. Also, if the particle only touches the x-axis, does that count as a change in direction?
    assuming t-axis, then no, it just stops at that instant.

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