No you are not the only one. Is this your first time doing c2? It was my second time and I really wished I just did well last year so I didn't need to take it this year

Reply 47

anonwinner

Original post by stephaniecheung

i found the paper pretty good. I would say it's far more challenging than the past papers, but I found this pretty chill

Every single year people think their papers are more challenging than the past papers.

Reply 48

Namita Gurung

Original post by stephaniecheung

for K i got 3.5

for B i got like 900 and something

How did you guys work out those values? I got really stuck in that question.

Reply 49

steph0468

Original post by Namita Gurung

How did you guys work out those values? I got really stuck in that question.

for K
it told you that blah blah blah
so you used what you worked out for the binomial expansion, times by the 1+kx
and then you put the x^2 ones equal to eachother, the x's cancel out and you can solve for k

Reply 50

Laurenafenete

Original post by musictagj

Guys it asked for P not x, so 17 is wrong because you had to substitute in x=16.633 and then you get 120 to the nearest metre

Posted from TSR Mobile

Yup that's what I did
Don't round the X value round the P value when you sub the x value back into the equation
My X was something like 16.6 or something and I got 120 m for P to the nearest metre

Reply 51

theguywhosaidhi

I totally messed up that paper, lost at least 20 marks, good bye all hopes of an A :,(

Reply 52

steph0468

Original post by anonwinner

Every single year people think their papers are more challenging than the past papers.

yeah fam, I totally flunked the c1, I was really disappointed with myself because i made a few silly mistakes :/

Reply 53

Charswatts

Original post by TheBillPN

How do you do this part?

Solve: 2^(2x+5) -7(2^x)=0

Got all the rest of the paper right, but not these 4 marks.

I subbed in 2^x = y to give my 32y^2-7y=0 then solved for y=0,7/32. 2^x cannot = 0 and 2^x=7/32 giving x = -2.19

Reply 54

marshmellow:)

Original post by mcfatty

wat?

it wasn't small decimal....

x was 17m to the nearest meter what did you get?

he/she is talking about part e. I got a small decimal aswell I think it was o.49... something. I got 17 metres aswell for the other part

Reply 55

Laurenafenete

Original post by theguywhosaidhi

I totally messed up that paper, lost at least 20 marks, good bye all hopes of an A :,(

Just do well in the S1 exam and did you think you did well in c1? You could still scrape an A

Reply 56

Asialworgan

Any idea on raw mark boundary for a C?

Reply 57

dannypirret

Original post by mcfatty

wat?

it wasn't small decimal....

x was 17m to the nearest meter what did you get?

yeah i got 17 and then for the next part i got 0.4

Reply 58

Retired_Messiah

Original post by mcfatty

how did we find it all?

like the differentiation question?

That differentiation question was hellish, I had no idea what I was doing but I came out with a number so there'll be method marks somewhere I guess...

Overall tho it was a pretty chill paper. Better than C1 anyway

Original post by David_a

For the question that said i cant use any graphical or numerixal method to solve

I thought graphical and numerical methods were like the entirety of maths, I got very confused.

Original post by Charswatts

I subbed in 2^x = y to give my 32y^2-7y=0 then solved for y=0,7/32. 2^x cannot = 0 and 2^x=7/32 giving x = -2.19

Was it just me who messed around and turned it into a nightmarish logarithm equation, then?I think I got -2.19 as well

(edited 7 years ago)

Reply 59

anonwinner

Original post by stephaniecheung

yeah fam, I totally flunked the c1, I was really disappointed with myself because i made a few silly mistakes :/

The stress and pressure of being in the actual exam hall is very different from doing past papers at home.

Good luck with the rest of your exams

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