Wjec c2 may 2016

Reply 20

FusionNetworks

16

Original post by Emskibump

That's so reassuring to hear!

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What question did people get 5 for?

Reply 21

Jack1066

17

Original post by FusionNetworks

What question did people get 5 for?

The last question to find the r when radians equaled 2.7 or something.

I got 6.7 though, which I think is right as the question said answers to 1 decimal place

Reply 22

FusionNetworks

16

Original post by Jack1066

The last question to find the r when radians equaled 2.7 or something.

I got 6.7 though, which I think is right as the question said answers to 1 decimal place

Ah ok. 99% sure its 6.7 as everyone doing further maths got that xD

Reply 23

Salamon16

I've got 6.7 as wel and it looks correct

Reply 24

Marcuschho

1

I used change of base formula on the logs question.. Log a (b) = ( Log x (b) ) / (Log x (a) )

That number work... It required a calculator...
Except mine ran out of battery when i went back to it. And the school wouldn't lend me another one

Reply 25

Jack1066

17

for the log z question, I had log z/4 = -1

you take log d on both sides, but what does that do to the minus 1? Does it make it 1/d? So would it end up being 4/d or -4d?

Reply 26

Jack1066

17

2Sin + 4cos = -7

that isn't possible as the minimum value of sin and cos is -1, so the least value it could be would be 2(-1) + 4(-1), which equals -6

Reply 27

FusionNetworks

16

Original post by Marcuschho

I used change of base formula on the logs question.. Log a (b) = ( Log x (b) ) / (Log x (a) )

That number work... It required a calculator...
Except mine ran out of battery when i went back to it. And the school wouldn't lend me another one

Dude that sucks.
They all laughed at me for bringing a spare calculator :h:

Reply 28

98matt

13

I had log base d (z/4) = -1
1/d = z/4
z = 4/d

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Reply 29

nickydakid

3

Anyone had r=-2/3 for the geometric and like 300 something for a? also 93/2 for the area for question after the geometric?

Reply 30

98matt

13

Original post by nickydakid

Anyone had r=-2/3 for the geometric and like 300 something for a? also 93/2 for the area for question after the geometric?

Yes I had -2/3 but I think maybe like 400 and something for a?? I'm not completely sure, but the values worked in both equations. I had 93/2 = 46.5 for the integration :smile:

we need an unofficial mark scheme & the question paper now ahaaha

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Reply 31

PedanticStudent

13

Original post by 98matt

I had log base d (z/4) = -1
1/d = z/4
z = 4/d

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Me too!!

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Reply 32

bradley_246

6

Original post by nickydakid

Anyone had r=-2/3 for the geometric and like 300 something for a? also 93/2 for the area for question after the geometric?

I got 93/2 for that question haha :biggrin:

Think i got r = -2/3 , can't remember though (n)

Reply 33

jonb365

1

Original post by 98matt

Yes I had -2/3 but I think maybe like 400 and something for a?? I'm not completely sure, but the values worked in both equations. I had 93/2 = 46.5 for the integration :smile:

we need an unofficial mark scheme & the question paper now ahaaha

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Smashed it, like the scientists Brian Cox..or was it Dan Cox :confused:

?

Not really though, very frustrating paper for me. Started very well, middle was decent, but tailored off towards the end. Tough paper so I'd expect the trend of 55 ish for an A, 48 ish for a B to continue.

Reply 34

PedanticStudent

13

Original post by 98matt

Yes I had -2/3 but I think maybe like 400 and something for a?? I'm not completely sure, but the values worked in both equations. I had 93/2 = 46.5 for the integration :smile:

we need an unofficial mark scheme & the question paper now ahaaha

Posted from TSR Mobile

I got -2/3 for r as well! Excellent news. For the region R i got that too. I think.

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Reply 35

98matt

13

I think 100ums will sit around 70/75 ish, with very similar grade boundaries to last year's paper

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Reply 36

Elliottmanwaring

10

I literally just had a breakdown after that exam. Like waved goodbye to studying Medicine.. And was planning where to send a CV to, KFC or McDonalds.... But what a relief, I seem to have got same answers as most of you so it wen't okay. We need a methematician do produce an unofficial marking scheme tbh.

Reply 37

nickydakid

3

How did people do Q4-the one with the boy who runs around the track? Only information I picked up was a=6 and d=2. Were you meant to set up a simultaneous equation?

Reply 38

chemstudent314

10

Original post by bradley_246

I got 93/2 for that question haha :biggrin:

Think i got r = -2/3 , can't remember though (n)

i got -2/3 too

Reply 39

Marcuschho

1

Original post by Elliottmanwaring

I literally just had a breakdown after that exam. Like waved goodbye to studying Medicine.. And was planning where to send a CV to, KFC or McDonalds.... But what a relief, I seem to have got same answers as most of you so it wen't okay. We need a methematician do produce an unofficial marking scheme tbh.

Ah the joys of failing exams.
Totally aced setting up the simultaneous equations for the boy running around the track eh?
n = -30 yeah

But that logs question was a beast, base change formula and having to figure out that the infinite series telescopes to 4... Wtf were wjec doing?!

(edited 7 years ago)

Wjec c2 may 2016

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