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Leaving Certificate: Higher Level Maths Discussion

plmko

So excited for Maths! What's the buzz with ye?

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aleatorio

Praying that an inequality induction proof doesn't come up.. I can never get my head around them

Lara_15

This may be a really stupid question, but what is this factor theorem that everyones on about?

Mario95

aleatorio wrote: »

Praying that an inequality induction proof doesn't come up.. I can never get my head around them

youtube.com/watch?v=5iWlsp55N_s

Watch this

It explains it nicely.

aleatorio

Lara_15 wrote: »

This may be a really stupid question, but what is this factor theorem that everyones on about?

It's literally just that if x=-3 is a root of an equation, x+3 is a factor :pac:

Daledge

Can safely say this exam is going to make or break my entire leaving cert.

Lara_15

aleatorio wrote: »

It's literally just that if x=-3 is a root of an equation, x+3 is a factor :pac:

ahhh i know that, just didnt know the name for it....
I dont know any proofs or anything like that, and I NEED at least a B2
I got a b2 in the mock but im getting really nervous that I wont get it

aleatorio

I know it's silly but I really hope there's no icky algebra q, like one where you have to construct the simultaneous eqns from word equations and whatnot.. I swear they're the bane of my existance :pac:

Lara_15 wrote: »

ahhh i know that, just didnt know the name for it....
I dont know any proofs or anything like that, and I NEED at least a B2
I got a b2 in the mock but im getting really nervous that I wont get it

If it makes you feel any better, I need an A1 more than likely :pac: and I got a B2 in the mocks, paper 1 being my worst

Hopefully the maths gods will be kind

Lara_15

aleatorio wrote: »

If it makes you feel any better, I need an A1 more than likely :pac: and I got a B2 in the mocks, paper 1 being my worst
Hopefully the maths gods will be kind

They dont want bad press so Im sure they wont be too bad

Im fine at working things out but proving things or showing that something = something or any of this english stuff can just feck right off!
Out of curiosity what mock did you have??

aleatorio

Lara_15 wrote: »

They dont want bad press so Im sure they wont be too bad Im fine at working things out but proving things or showing that something = something or any of this english stuff can just feck right off!
Out of curiosity what mock did you have??

I agree, the old maths course suited me so much more!
Examcraft, I got a B3 in paper 1 and an A1 in paper 2 :pac:

K6Y

****ting it now... I know pretty much everything but I can't understand those volume/differenciation questions or the proofs

XtotheZ

Good Luck everyone

Just relax itll all be grand, Ill see ye on the other side!

Lara_15

aleatorio wrote: »

I agree, the old maths course suited me so much more!
Examcraft, I got a B3 in paper 1 and an A1 in paper 2 :pac:

Yeah I had the same one, and I did soooo much better in paper 2, thought it was a nice enough paper, I just hadnt put the work in.
Hopefully we'll have one similar

FatRat

Remember the extremely difficult questions will be worth the least amount of marks.. Probably 5. So don't get sucked in by something you can't understand and worry about it for the whole test. Do all of the 'easy' parts first, they generally give the most marks for them parts. If the whole country can't answer a certain part of the test they really won't give more then 5 marks for it.

2thousand14

for rates of change is it
want= Need * Given?

robman60

2thousand14 wrote: »

for rates of change is it
want= Need * Given?

Yes. Rmember that sometimes you'll need to invert your answer too. For example, if you need dr/dv, get dv/dr and then 1/answer is what you need.

FatRat

2thousand14 wrote: »

for rates of change is it
want= Need * Given?

You can actually use any combination really. If it ask for the rate of change of the radius given the rate of change of volume you can write:

Dv/DT = Dv/Dr x Dr/DT

You can then arrange the equation so Dr/DT is on its own on the right hand side. So:

Dv/DT divided by dv/Dr = Dr/DT

Shane15

Here I go, good luck everyone.

Maribs

Good luck everyone

eclipsechaser

Just had a look at the HL paper there. Fairly straightforward. No ambiguous or silly questions. Best of luck to everyone!

kevin12345

eclipsechaser wrote: »

Just had a look at the HL paper there. Fairly straightforward. No ambiguous or silly questions. Best of luck to everyone!

Any word on the OL paper? I have a cousin who needs to pass so very nervous for him.

richardh330

That was a beaut of a paper!!! I think?!

Ompala

Anyone know what time the paper will be up on the SEC website?

Whistlingmilk

If anyone has the paper, could they post up the different topics each question was?

Especially the 50 markers

LiverpoolLad95

I actually laughed when the Examiner came round the room asking who's doing OL and HL, and he ran out of OL papers after going around half the room :rolleyes:

From the look of the surrounding HL ppl, Maths was a drag, 1 lad actually said out loud how terrible it was. :pac: Happy with OL, piss easy and finished within the hr without even looking at the OL paper, hope it went well for most of ye. The correctors will probly give out a load of marks for the easy qs like they did last year.

allyb17

There was a lot on geometric and arithmetic sequences and series, integration and differentiation came up a lot and like one function question a cubic one. Overall I thought it was a bad paper, t didn't exactly cover a dynamic range of the course. Also I could not remember sequences and series so I was so pissed off.

hoping paper 2 brings me up

Mr Pseudonym

Ompala wrote: »

Anyone know what time the paper will be up on the SEC website?

Shortly after 5, I think. They upload all the day's papers at the same time.

allyb17

I didn't study series and sequences and I HATE proof by inductions I'm useless at them so that was a bummer

kerryked

3 section B questions were 40, 50 and 60 markers respectively, instead of 3 straightforward 50's

Overall a nice enough paper happy with how it went. A lot of focus on functions as they're new for this year, 25 markers on complex numbers, proof by induction, functions...financial maths didn't show it's face at all, however sequences and series featured in a 25 marker

Generally should be considered to be a handy paper

Calvin

What was that maths paper? God awful....threw down a bunch of numbers but I doubt it even made sense. Only one I got right was where I've to sub in 1 to the equation.....

allyb17

I'm feeling kind of "meh" about it, uh , hope to god paper 2 will be nice.