Q14 (2 Viewers)

[Rafy]

Discuss your answers to Q14 here.

 

[cartoonmaiz]

What did people get for the volumes question?

 

[Sup3rDry]

Fucking had no clue on that question. I knew we had to use similarity but i couldn't find the shorter length. Spent ~20 minutes trying to figure it out, until i gave up.

 

[MiPh]

(r^3)/a or something like that. I always mess up those questions, so that'll be wrong.

 

[cartoonmaiz]

I got a/(6r^3)

 

[brianphamm]

Anyone use parabolas to work out the height? And a straight line to work out the width? (for the volumes question)

 

[blazraidr]

Re: General Thoughts: Mathematics Ext 2

Was the volume question 14)c) Volume = (2ar^2)/3 ??

 

[Raolan]

I looked at the volumes one for a minute before moving on. Wasn't going to waste time on a question I knew I wouldn't get an answer to.

 

[qrpw]

Anyone use parabolas to work out the height? And a straight line to work out the width? (for the volumes question)

I did, then i thought it would be much too hard for a 4 mark q. So I just used the circle- but it seems to be wrong, as it's not. Shame you can't put two answers.

 

[Alkanes]

Re: General Thoughts: Mathematics Ext 2

Was the volume question 14)c) Volume = (2ar^2)/3 ??

Yea i think I got that LOL. Fucking just shat so much BS on that question.

 

[cartoonmaiz]

Re: General Thoughts: Mathematics Ext 2

Hey seamieg89 what did you get for the volumes question. It's question 14.

 

[usmas]

Re: General Thoughts: Mathematics Ext 2

Rushed that question, i think i got (ar^2)/3. Polynomial was the hardest Q, absolutely no clues.

 

[Nws m8]

Re: General Thoughts: Mathematics Ext 2

Rushed that question, i think i got (ar^2)/3. Polynomial was the hardest Q, absolutely no clues.

hahha, i did the first two parts

 

[seanieg89]

Re: General Thoughts: Mathematics Ext 2

Hey seamieg89 what did you get for the volumes question. It's question 14.

Just did it quickly so may be wrong, but got ar^2/3.

 

[7eleven]

Re: General Thoughts: Mathematics Ext 2

Just did it quickly so may be wrong, but got ar^2/3.

That's what i also got
Anybody else get the same????

 

[kingkong123]

Re: General Thoughts: Mathematics Ext 2

That's what i also got
Anybody else get the same????

yep i got that as well

 

[lonelynight99]

Re: General Thoughts: Mathematics Ext 2

Rushed that question, i think i got (ar^2)/3. Polynomial was the hardest Q, absolutely no clues.

I think its ar^2/4? LOL I might be wrong

 

[OMGITzJustin]

aside from volumes, how did people do 14b ii)? partial fractions?

 

[GoldyOrNugget]

Re: General Thoughts: Mathematics Ext 2

Was the volume question 14)c) Volume = (2ar^2)/3 ??

That's what I got. I probably messed up somewhere, but judging by the similarity of other answers (assuming one of those is correct), this should get at least 3/4.

 

[theholy1]

Re: General Thoughts: Mathematics Ext 2

I think its ar^2/4? LOL I might be wrong

ya i think