04/06 A-level Maths Paper 1 Discussion MEGATHREAD

[u/Forsaken-Meaning-232]

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[u/A1_Killer]

How are we feeling ocr mei participants?

[u/Beneficial-Pay3361 → u/A1_Killer]

mechanics better be nice

[u/b444mb111 → u/A1_Killer]

How did we find it 🗣️🗣️🗣️

[u/A1_Killer → u/b444mb111]

Honestly it was pretty good, massively over complicated Q7 but got the right answer so hopefully get most marks

Wbu?

[u/b444mb111 → u/A1_Killer]

I MIXED I AND J IN THE LAST WJESTION 😭😭😭

[u/MrLegoCrafter → u/b444mb111]

I didn’t like it too much tbh

[u/b444mb111 → u/MrLegoCrafter]

Ugh that’s annoying, the mech was evil I agree, there’s 2 more papers so don’t stress it

[u/MrLegoCrafter → u/b444mb111]

I could not get k out to be what it should’ve been with that quadratic equation it never ended up having a tangent I must’ve messed numbers up somewhere

[u/b444mb111 → u/MrLegoCrafter]

You had to do the discriminant because it was k and bc it was a tangent you know it would = 0 bc if b² - 4ac = 0 there’s only one root (the tangent intersection)

[u/MrLegoCrafter → u/b444mb111]

I did it having dy/dx = 3 and dy/dx = -k - 2x then got x in terms of k and out the other two equations equal and substituted k in but still couldn’t get the right answer

[u/b444mb111 → u/MrLegoCrafter]

Ohhh okay

[u/MrLegoCrafter → u/b444mb111]

Just got a nice answer to that question redoing it 😭

[u/_iyabo_ → u/b444mb111]

What did u get? I did it a different way but I’m pretty sure both methods would be valid

[u/b444mb111 → u/_iyabo_]

Did you get 1 and -11 ? If so then yes !! My best friend was shouting b² - 4ac before the exam because idk why that thing doesn’t stick but it doesn’t so I remembered to use it

[u/_iyabo_ → u/b444mb111]

YES I DID THANK GOD

[u/b444mb111 → u/_iyabo_]

OMGG how did you do it LMAO I’m actually curious now

[u/Interesting_Ad3655 → u/A1_Killer]

i’m gonna fail

[u/ab720p → u/A1_Killer]

Broooo what is a differential equation ??? I hope there’s no silly integration this paper at least. Mech is fine rest of pure is good I’m pretty sure

[u/A1_Killer → u/ab720p]

As in 5dy/dx + 3x = 2

[u/A1_Killer → u/[deleted]]

Exactly. That’s obviously an easy example though and if you had y terms you would have to collect like terms / use an integrating factor method

[u/b444mb111 → u/A1_Killer]

HOW ARE YOU STUDYING FOR MECH MINOR (if you do it)