AS/A Levels

It looks as though question 6ii on the OCR D1 paper was incorrectly written on the paper so you could not get their answer.
 
You were given inequalities for x that if x was less than or greater than 1.8 and you had to show that the total minimum spanning tree was equal to their value, but their value was wrong and impossible to get.
 
Hmm... was their number an integer? I think there was one of those i didn't see how you could get it without actually knowing x.

Either way, i might have passed. That's something, right? :p
 
No it was 32.6 or something, but you couldn't get that number. I think the one you are on about was were you had to do nearest neighbour with x as an arc length.
 
Yeah well, i wasted all the time i could have used checking my answers drawing a knife with blood dripping off it on the simplex question so you know... :cool:
 
Right, edexcel have messed up big time with that circle in a triangle question. Every one I have spoken to did not get it, it took 4 maths teachers to work it out for god sake.

Everything else in that paper was doable, saw that quadratic rectangle and I thought for 5 minutes that you could use X as the depth and it finally dawned upon me that you could not. Going to be a low grade boundary as that circle question in a triangle was impossible.
 
chaosdestro0 said:
Right, edexcel have messed up big time with that circle in a triangle question. Every one I have spoken to did not get it, it took 4 maths teachers to work it out for god sake.

Everything else in that paper was doable, saw that quadratic rectangle and I thought for 5 minutes that you could use X as the depth and it finally dawned upon me that you could not. Going to be a low grade boundary as that circle question in a triangle was impossible.
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I couldn't do that one either, I think that was the only one I couldn't do.

At least the bit after asked you to use the radius, so if you but some random number down and carried it on you will get ecf (hopefully)

Surprisingly no trapezium rule :(

Was hoping for an easy 4-6 marks there.
 
Come on guys, be fair! Is it really that unreasonable that on an A-Level exam, there was a question that the majority of people found very difficult?
 
w11tho said:
Come on guys, be fair! Is it really that unreasonable that on an A-Level exam, there was a question that the majority of people found very difficult?
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Yes, what's the point in putting down a question that relies on someone being ahead of the syllabus? I doubt even 1% of the students will get that and it completely throws you when you get a question that you can't do no matter how much revision you have done, I spent a good 10 minutes that could be better spent on checking and after the exam I found out that it is pretty much off the syllabus stuff.
 
chaosdestro0 said:
Yes, what's the point in putting down a question that relies on someone being ahead of the syllabus? I doubt even 1% of the students will get that and it completely throws you when you get a question that you can't do no matter how much revision you have done, I spent a good 10 minutes that could be better spent on checking and after the exam I found out that it is pretty much off the syllabus stuff.
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Mind if i ask what the question was?
 
Alex74 said:
Mind if i ask what the question was?
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I just don't think it's reasonable that they give you this question, never seen anything like this on any of the past papers and I don't know where you would begin.
 
chaosdestro0 said:
Yes, what's the point in putting down a question that relies on someone being ahead of the syllabus? I doubt even 1% of the students will get that and it completely throws you when you get a question that you can't do no matter how much revision you have done, I spent a good 10 minutes that could be better spent on checking and after the exam I found out that it is pretty much off the syllabus stuff.
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The fact that you haven't been taught how to answer a question does not make it a bad question - in fact, I'd say it makes it a good question! Personally, I would like an A-Level to require both hard work and talent. Having done lots of revision should not, in my mind, mean you should automatically be able to do all the questions!
 
w11tho said:
The fact that you haven't been taught how to answer a question does not make it a bad question - in fact, I'd say it makes it a good question! Personally, I would like an A-Level to require both hard work and talent. Having done lots of revision should not, in my mind, mean you should automatically be able to do all the questions!
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The problem with that argument is that there are students who are retaking it in this in there second year, by putting stuff in there that is out of the AS syllabus you are only allowing the year two students to do well.
I don't know if this is actually in any of year two stuff, but the style of this question is way outside of anything in this module.
 
chaosdestro0 said:
[/QUOTE]

Yea i think i have the answer. Bit mean to put it on an A-level paper though, as it does require a bit of engaging brain..


EDIT: In case anyone's interested (hell it's more fun to write this up than doing more revision :p)

[URL=http://imageshack.us/photo/my-images/11/easytrigonometry.png/][IMG]http://img11.imageshack.us/img11/8554/easytrigonometry.png[/URL]

Basically this is all you need to notice. Then you can just write

r = (6 - r) * sin(pi/6) = (6 - r) / 2

=> r = 2 with a line or two of algebra.

Not one of those questions where you need to "learn a solution", so i suppose it is a bit out of place. Would kill for something like this nowadays though :p
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Alex74 said:
Yea i think i have the answer. Bit mean to put it on an A-level paper though, as it does require a bit of engaging brain..


EDIT: In case anyone's interested (hell it's more fun to write this up than doing more revision :p)



Basically this is all you need to notice. Then you can just write

r = (6 - r) * sin(pi/6) = (6 - r) / 2

=> r = 2 with a line or two of algebra.

Not one of those questions where you need to "learn a solution", so i suppose it is a bit out of place. Would kill for something like this nowadays though :p
Click to expand...

Well, it's pretty damn hard to spot but I think I shall sleep fine tonight. Just need to pray to the OCR gods that they won't let out a **** storm tomorrow, if the heavens and the moon line up then I might do fine.

Don't really care that much as I will be picking up further maths instead of this ghastly subject, also I don't understand why OCR think that a control unit governs the clock speed of a processor.
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