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# OCR Mathematics B Higher Unofficial Mark Scheme Watch

1. Shall we start an unofficial mark scheme for todays paper? Or if there is one can you leave the link?? Did people get Recipe B??
2. 46 degrees circle theorem
recipe B
3. For the bearings question what did everybody get? I got 175km
4. (Original post by plex-)
46 degrees circle theorem
recipe B
I got 48?
42x2=84
180-84=96
96/2=48?
But I may be wrong!
5. does anyone remember how many marks the spider q was? didn't realise it was Pythagoras
6. (Original post by stressed turtle)
does anyone remember how many marks the spider q was? didn't realise it was Pythagoras
5 marks?
7. Did anyone get the last one? I spent about 10 minutes writing drivel and scribbling it out because I just could not do it!
8. (Original post by rm715)
Did anyone get the last one? I spent about 10 minutes writing drivel and scribbling it out because I just could not do it!
I got x=0.5 and y=-0.5 and x=-6 and y=-33
9. (Original post by katherine3)
For the bearings question what did everybody get? I got 175km
Yeah I got 175.43km and I know a few other people who got 175 too
10. (Original post by SamAllen8)
Yeah I got 175.43km and I know a few other people who got 175 too
Okay great thank you!!!!😱😱 I found that one quite hard😂
11. (Original post by robyn2000)
I got 48?
42x2=84
180-84=96
96/2=48?
But I may be wrong!
Could have been, don't remember the exact number
12. Does any think they know what the grade boundaries will be like?
Does any think they know what the grade boundaries will be like?
Tests were not particularly difficult, likely 165+ for A*.
14. (Original post by katherine3)
Okay great thank you!!!!😱😱 I found that one quite hard😂
Yeah I found that by far the hardest question on the paper
15. (Original post by SamAllen8)
I got x=0.5 and y=-0.5 and x=-6 and y=-33
I didn't get that at all haha how did you get that? I think the equations were
Y= 2x^2+16x-9
Y=5x+3 (or-3?)
16. (Original post by rm715)
I didn't get that at all haha how did you get that? I think the equations were
Y= 2x^2+16x-9
Y=5x+3 (or-3?)
I put 2x^2+16x-9=5x+/-3 and then made them equal to zero and then used the quadratic formula to find x. Then I put x into the equation to find y for each value of x if that helps.
17. (Original post by SamAllen8)
I put 2x^2+16x-9=5x+/-3 and then made them equal to zero and then used the quadratic formula to find x. Then I put x into the equation to find y for each value of x if that helps.
ahh okay thankyou, that's what I started doing but couldn't finish haha oh well it's done now
18. (Original post by rm715)
ahh okay thankyou, that's what I started doing but couldn't finish haha oh well it's done now
If you started like that you should get some marks at least and it was quite a tricky question
19. I wasn't sure if it had to walk on edges or it could on surfaces so I just did the edges with no Pythagoras ffs
20. it was Pythagoras and trig

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