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# AQA A Level Maths Core 1 - 18th May 2016 [Exam Discussion]

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1. (Original post by tajtsracc)
Anyone else get

x = -1 plus or minus root 5?
yeh i got this
what did you guys get for the translation? (0.5 , - 41/4) ?
I got (0.5, 10.25) so positive ? And i think for my cord of B it was 12,-7 but i cant remember I just remeber having (-2,1) and it moved (7,-4) so I doubled this to give (12,-7).

And I got k=20 and k=4 too
3. (Original post by TIF141)
the horrible integral being in 12ths and having a bajillion minuses
Funny how it turns out that the integrating part is easy and the basic common denominator multiplication is hardest. I hated all those minuses!
4. How was that the equation of the circle of the centre was (5,-3)??
5. Gush
6. (Original post by musslih)

eqn of circle is (y+3)^2, not +2 as you wrote up there
I'm pretty sure it asked for the RHS of the equation in the form k and not k^2, so it should have been left as 65

And thank you! Typo aha
7. (Original post by tajtsracc)
Anyone else get

x = -1 plus or minus root 5?
Yes I got that
8. (Original post by tajtsracc)
Anyone else get

x = -1 plus or minus root 5?
Yeap, I got that as well
9. I messed up on the first question of circles... they should have said point A lies on the circle not pass -__-
Also that integration section was tricky... my answers/working out was very messy.
10. Anyone get 11.25 for Area of the shaded reigon?
11. Did anyone get a fraction for the x coordinate in the integration question near the end?

Felt like this was the hardest paper so far, I missed out like 4 questions...
12. (Original post by musslih)

eqn of circle is (y+3)^2, not +2 as you wrote up there
Me and some friends got the radius to be root 34 not 65.
13. (Original post by jeff_moyseh)
What were your critical values for the final inequality question?
I think i got x = -1.5 , x = 6 and ended up with x < -.1.5 , x> 6
14. (Original post by JStebz)
Anyone get 11.25 for Area of the shaded reigon?
Yes I got that too, but I left it as 45/4 in case I converted it to decimal incorrectly. I would have been right but I think they'll accept it as a fraction.
15. (Original post by yasaminO_o)
I'm pretty sure it asked for the RHS of the equation in the form k and not k^2, so it should have been left as 65

And thank you! Typo aha

Yes, you're right! I'm just saying that the radius is root65, but in the equation, it's r^2, so therefore it's 65

No problem
16. (Original post by yasaminO_o)
I think i got x = -1.5 , x = 6 and ended up with x < -.1.5 , x> 6
Yeah I had the same. thanks
Me and some friends got the radius to be root 34 not 65.
I got root 34 too!! I'm doubting wether it's right tho:/

Posted from TSR Mobile
Me and some friends got the radius to be root 34 not 65.
I got root 34 for the radius as well.. I'm so confused.. The centre of the circle was given as (5,-3) so (x-5)^2 + (y+3)^2 = 25+9 .....
19. Do you guys reckon the grade boundaries will be lower than 2015?
what did you guys get for the translation? (0.5 , - 41/4) ?
I wasn't sure so I put translation through (0.5, ?)
I think I would get 2/3 marks

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