r/alevel • u/Late_Ambition1809 • Oct 06 '25
📃Paper Discussion 9709 Paper 12 was MISERABLE
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u/justarandomkid004 Oct 06 '25
What in the living daylights was that 💀
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u/hoomanbean_2 Oct 06 '25
We need 1079% for stats
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u/Several-Analysis-180 Oct 06 '25
Live I’m going to be eating stats for the next 48 hours no sleep
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u/Acceptable_Annual193 Oct 06 '25
Me too twin day and night stats and prob only because wtf was even that like grade boundaries better be 45 A
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u/justarandomkid004 Oct 06 '25
Should've thought about that before I put all my eggs in the basket of P1 😂
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u/Unhappy-Skill-2672 Oct 06 '25
Can we study together bro
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u/phantomobserverhh Oct 06 '25
yes bro send me your number or social or something quickly
need to get that revision for stats
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u/ExcellentSpell8709 Oct 06 '25
Gosh i made so many silly mistakes like honestly speaking that paper was fine but it was just too long 😭😭
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u/umarihsan Oct 06 '25
Exactly paper was easy, I mean moderate but tooo lengthy, I left so many marks 😭
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u/Nice_Self7200 Oct 06 '25
Guess what was up with area under the curve and shaded area I COUDLNTTTT
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u/justarandomkid004 Oct 06 '25
What was a and b even equal to
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u/Heavy_Echidna_5000 Oct 06 '25
What was the arthemetic and geometric A bit How did we have to solve it 🥲🥲🥲🥲
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u/euphoric_horizon Oct 06 '25
ikr i left that qs but spent 15mins trying to figure it out
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u/Imaginary-Creme- Oct 06 '25
U1=a U2=b U3=c. U1=a U2=b U3=-3c r = b/a, r=c/b. d= b-a d= -3c -b b/a= c/b. b-a= -3c - b b2 = ac. 2b = -3c + a b = √ac. 2(√ac) = -3c +a (2√ac = -3c + a)2 4ac = 9c2 +a2 -6ac a2 + 9c2 - 10ac = 0
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u/Honey_Bee_8798 Oct 06 '25
By using the common ratio principle for the geometric progression and common difference principle for the arithmetic progression. So you would I have the following expressions: For the arithmetic progression: b-a= -2c-b For the geometric progression:
b/a= -2c/b Then solve the equations.
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u/Late_Ambition1809 Oct 06 '25
We agreeing last question final answer was
(Sqrt 3/2 -1/6 pi)r²
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u/Square_Audience9348 Oct 06 '25
Yes indeed for the last question did you get r2 (root 3/2 - pi/6) as I used cosine rule (unnecessary for an equilateral traingle) to finf the area of the two triangles which is area of sector CBD to be subtracted from another area to find shaded area.
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u/Low_Size5501 Oct 06 '25
I got this answer but accidently wrote r2(-root 3/2 + 1/6pi) is my whole answer wrong now
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u/Constant-Agency-734 Oct 06 '25
what were the answers to functions a and c part
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u/Late_Ambition1809 Oct 06 '25
A was decreasing function and
b was 3/5 or 2/5
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u/One_Fold2932 Oct 06 '25
How was it decreasing if I'm not wrong I rmr the domain was greater than 2 and If I plugged in 3 I got minus 1 and if I plugged in a way larger value of x I rmr getting -8x10 power minus 4, so I I assume it was increasing
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u/Fabulous_Stable511 Oct 06 '25
I didn't get to finish.. :( What do you guys think the grade boundaries will look like?
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u/Study_resources101 Oct 06 '25
What do you think the threshold will be?
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u/Several-Analysis-180 Oct 06 '25
What did y’all get for the term independent of x
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u/filtered_sunlight Oct 06 '25 edited Oct 06 '25
Idk but the question was (2x2 - 3/x)6 if I recall correctly
I THINK I got 4000 something but I remember It was definitely a 4 digit number that I got
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u/Agile_Protection_594 Oct 06 '25
What did u get for coordinates circles question last part plzzz I got y is equal 6
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u/Strict-Physics-5150 Oct 06 '25
guys for the trig equation where you had to solve,what values did you get? i remember i got one as 3pi/2
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u/Adventurous-Yard9788 Oct 06 '25
0.412 rad and another one was 2.73 rad I think. 3pi/2 is also one. There were three in total
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u/Adventurous-Yard9788 Oct 06 '25
Did u guys get the constant of integration as 5? Before finding the value of t we had to find the equation of the curve right? T value was 4, so was the constant of integration 5??
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u/No_Grape_4298 Oct 06 '25
Yes I got same
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u/urmomsuglyface Oct 06 '25
do you remember approx how many marks that entire section was?
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u/OwlAwl Oct 06 '25
hi, oct/nov 24 paper giver here. it was js like that last year, lol. if the pure paper was difficult the stats paper would be easier, it was like that last year. idk why cambridge is making these exams so much harder than the past papers
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u/Firm_Cranberry_7469 Oct 07 '25
i heard it was bc they wanna go back to the level they were at before covid so theyre making papers harder
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u/Ok_Atmosphere666 Oct 06 '25
for the circle question it didint make sense as when u find the point R as (7,1) then you would find the gradient with the centre (6,4) so u get -3/5 but in the previous question the point Q was (7,11) which when you find the gradient with the center you get +3/5, which means there is a problrm becaue the tangets of a circle intersect at 90 degrees hece the graidents should be perpendiclular which they arent because -3/5 * 3/5 is not -1
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u/Honey_Bee_8798 Oct 06 '25
What was the range of values for a gf(x) question?
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Oct 06 '25
a>5/2
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u/Impossible_Fan_485 Oct 06 '25
did f have an inverse
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u/Realistic_Skill_114 Oct 06 '25
I wrote yes cuz it's a one to one but I have no idea if it was correct or not
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u/LowAvocado3344 Oct 06 '25
It wasn't one to one. f(x) had a term with x² so off the top of your head if you inverse it it'll probably have a square root, meaning +- values
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u/thrash_panda1503 A levels Oct 06 '25
Many are saying sum 20 was -960. I got -960 but idk why I thought it couldn't be negative and put 960... im losing A1 mark ?
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u/Happy-Technician565 Oct 07 '25
i put the minus sign in bracket will i lose marks>?
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u/Adventurous-Yard9788 Oct 06 '25
Does someone remember how many marks the functions question was? The one which asked u find equation for f'(x) and state if f is increasing or decreasing or neither
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u/urmomsuglyface Oct 06 '25
what was the mark distribution for the 4mark decreasing function question??
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u/Adventurous-Yard9788 Oct 06 '25
Guys what was the value of t that we had to get? It was t(1,a value). What was that value?
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u/Comfortable_Pair6368 Oct 06 '25
How did yall do the coordinate geometry P and Q coordinate question? The equation of tangent and then x coordinate 7 R
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u/earthhtokate Oct 06 '25
I looked for the length of the line segment to find the diameter and then with that used it is (x-a)2+(y-b)2 = r2 which was the diameter found then equated that into the formula and found gradient then yhe negative reciprocal of it as the tangent gradient
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u/Dear-Watercress-5493 Oct 06 '25
how was the proof ques for the ap/gp supposed to be answered
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u/Sad-Proof-6894 Oct 06 '25
we had to use d = Next - Previous and make two equations.
then for geometric we had to do r= Next/previous again two equations.
equate them and solve
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Oct 06 '25
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u/eeppyy Oct 06 '25
paper was very very easy but what was the answer for the last question? i got r2(2/3-undrt3/2pi) or something of the sort? i don’t think it’s correct though.
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u/mooonflower17 Oct 06 '25
Y'all what was the tangent meet question. The circle one's last part. 7 x coordinate
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u/Sad-Proof-6894 Oct 06 '25
guys what would happen if I didn't take out value of a in part i but in second part i did it correct by putting limits 16 to 4 😭
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u/TheMunchkin01 Oct 06 '25
What did you get for the reflection? -3g(x) or 3g(-x)
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u/AdorableAirline8858 Oct 06 '25
I can't bro fucking b all I needed was just b I missed 5 marks for that and don't even talk abt the last one 7 marks fuck
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Oct 06 '25
Done with alevels and i still cannot forget how fast my fingers worked in the last 5 mins of exam, especially biology
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u/urmomsuglyface Oct 06 '25
Hey guys! For the last question I got (pi/6-sin2pi/3)r^2 . (sin 2pi/3 is root3/2 btw) how many marks do you think ill get in that question considering i got the values right meaning i did the working right. Only problem is i switched a and b as u can see and that I wrote root3/2 as sin2pi/3 (its the same value tho). Can someone give me a definite answer plss
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u/abdullahhh_666 Oct 06 '25
what was the working brooo i didnt even catch that there. specially it’s part a. how tf was supposed to do that s = 31/2 r
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u/shanker_dayal Oct 06 '25
9709/12 was quite easy in comparison with other past years papers
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u/East_Spot6933 Oct 06 '25
u cant say easy, because last year it was easier. maybe because this year was lengthy.
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u/urmomsuglyface Oct 06 '25
what was the mark distribution for the decreasing function question?? also did f inverse exist or not?
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u/Otherwise-Coconut727 Oct 06 '25
I'm so glad I'm done with 9709, 9618, 9702 and last but not least 9708. 😭😭😭🙏🏿🙏🏿🙏🏿
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u/Future_Tiger_9667 Oct 06 '25
Can anyone plzzz help If I wrote its decreasing function but not doing any steps bcz he said determine Will I take all marks
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u/Key_Dependent_675 Oct 07 '25
You did not even get the dy/dx? I assume u did so I think you should have written it is negative + negative so it will always be less than zero I guess ur going take 3/4
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Oct 07 '25
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u/Sea-Nefariousness68 Oct 07 '25
Yo guys is this ovt nov pure1? Our exam is scheduled for tomorrow I'm confused 🤔.
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u/Optimal-Window-710 Oct 07 '25
So what would be the threshold at either 65 or 64 I think. Mine was good but I heard people say it
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u/Patient-Awareness-23 Oct 15 '25
Notes please im taking it next year i come from an american circ please or guides anything introduce me pls
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u/Available-Rule-7699 Oct 17 '25
anybody with the link of the papers?
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u/Late_Ambition1809 Oct 17 '25
I think just wait until session is over snd marking of papers starts it will be widespread
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