VCE General & Further Maths Question Thread!

[snowisawesome]

Hi angelwings,
Do you know if it's a breach of vcaa rules if my bound reference for further maths is bigger than A4 size?
Also, do you think it's good if my bound reference for further is just notes from my textbook and also worked examples from my textbook?
Thanks

[VinnyD]

Hi angelwings,
Do you know if it's a breach of vcaa rules if my bound reference for further maths is bigger than A4 size?
Also, do you think it's good if my bound reference for further is just notes from my textbook and also worked examples from my textbook?
Thanks

Someone could correct me if i'm wrong but your pages, including your fold out pieces, have to be A4 size max.
Also i don't think anyone can really tell you what is and what is not a good idea for you bound ref because it is personal Just make sure that you are comfortable using it and it covers everything that you need for the exam. In my case, I'm using a notebook which will include hard questions and things that i tend to forget. 

[snowisawesome]

Someone could correct me if i'm wrong but your pages, including your fold out pieces, have to be A4 size max.
Also i don't think anyone can really tell you what is and what is not a good idea for you bound ref because it is personal Just make sure that you are comfortable using it and it covers everything that you need for the exam. In my case, I'm using a notebook which will include hard questions and things that i tend to forget.

Thanks 
Wouldn't it be a better idea to just take in the textbook for the exam, and the bound reference for sacs?

[VinnyD]

Thanks 
Wouldn't it be a better idea to just take in the textbook for the exam, and the bound reference for sacs?

Personally i think the textbook is a bit too easy in terms of it's questions, or they are worded incorrectly and so i tend to steer away from it. For me, it's much more reassuring making notes from scratch because:
1) the textbook is a bit big and so it'll take a bit of time to get to specific pages
2) There are some missing concepts in the book such as choosing the best transformation and explaining why
3) You can find the gaps in your knowledge and focus on them in your notes
4) You can put past VCAA questions in it

I'd also recommend using the bound ref you are going to take into the exam, in your sacs because you will become familiar with it.

Just my two cents but hope it helps

[Aaron]

Highly recommend not taking in the textbook. You don't get much time in each of your exams and having to flick through pages and pages to find the specific content point that you're after takes time. Doing notes yourself will ensure that you know where things are for ready access, and not to mention the fact that you will understand what you've put in because ideally you've written it yourself.

[snowisawesome]

Highly recommend not taking in the textbook. You don't get much time in each of your exams and having to flick through pages and pages to find the specific content point that you're after takes time. Doing notes yourself will ensure that you know where things are for ready access, and not to mention the fact that you will understand what you've put in because ideally you've written it yourself.

Is it true that writing things generally makes us remember them better as opposed to typing them?

[AngelWings]

Do you know if it's a breach of vcaa rules if my bound reference for further maths is bigger than A4 size?
Also, do you think it's good if my bound reference for further is just notes from my textbook and also worked examples from my textbook?

Is it a breach if it's larger than A4? Yes it is. That include any tabs that sticks out of it.
Just notes and worked examples from a textbook? I find this to be a bit wasteful, but that's my opinion only. I usually annotate my notes and so forth to make them useful to me. My best advice in this situation is to actually cut down the pages you've stuck in there, so that it closes where possible. If that's not possible, then it's alright - just check this by your maths teacher to see if it's permitted.

Someone could correct me if i'm wrong but your pages, including your fold out pieces, have to be A4 size max.

Pretty much. See here for the rules.

Wouldn't it be a better idea to just take in the textbook for the exam, and the bound reference for sacs?

I would recommend that if you intend to take the textbook that it fits the VCAA rules and that you're familiar with where everything is. If you're intending to mark it with permanent tabs, don't forget that the entire book + tabs must be within A4 size. I actually think it's better to make your bound reference reference for exams, because you'll be way more familiar with that and you can reorganise everything to your standards (most students like to put in formulas, cheat sheets, questions they got wrong and concepts for each module they learnt). This is harder with a textbook.

Is it true that writing things generally makes us remember them better as opposed to typing them?

Yes, but I can't recall the stats properly, however I think it was marginally better.

[snowisawesome]

Does anyone know how a residual plot is drawn?

[MAGGOT]

Does anyone know how a residual plot is drawn?

I'm pretty sure the residual plot is the regression line turned so it's a straight horizontal line

[snowisawesome]

How can we conclude if a residual plot suggests that the use of a linear model to fit data would not work?

[Bell9565]

How can we conclude if a residual plot suggests that the use of a linear model to fit data would not work?

If there is no pattern in the residual plot it suggests the data is linear. If there is a clear pattern (eg parabolic) then a linear model most likely would not fit - however after a transformation it may.

[Poet]

How can we conclude if a residual plot suggests that the use of a linear model to fit data would not work?

If the residual plot shows a clear pattern, it is a non-linear association. You can assume it's linear if there is no clear pattern and the values are seen as randomly scattered. For example:

This image is a residual plot with a pattern. This shows an obvious non-linear association between the points. However, in this plot:

We cannot see any pattern, therefore verifying the values as linear.

[snowisawesome]

Y = -0.01+4.1x^2
But the question said to write the slope and intercept correct to one decimal
The answer said y = 4x^2
Does anyone know how to round -0.01 correct to one decimal place
Thanks

[Yertle the Turtle]

Y = -0.01+4.1x^2
But the question said to write the slope and intercept correct to one decimal
The answer said y = 4x^2
Does anyone know how to round -0.01 correct to one decimal place
Thanks

0. That is really the only way to round it.

[tm11]

HELP HELP HELP!!!!

If we have the z score (-1.4) , the mean (0.471) and the standard deviation (0.128), how does this justify that the data is a normal distribution?? PLS HELP