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# AQA Level 2 Further Maths - Unofficial mark scheme watch

1. question 4 was the circle equation one: centre (-5,8), radius root(10)

question 6 was find the values of m and p in an identity: m =8, p= -1

question 9 was expand and simplify (x-5)^3 = x^3 - 15x^2 + 75x - 125

question 11 - coords given for pts A B and C, prove AB and BC are perpendicular (gradients were -5/2 and 2/5)

question 12 completing the sq: (a) h=3, k= -7 (b) (-3,-7) (c) -3 +/- root(7)

question 15 rationalise denominator 6/(root(7) + 2) = 2root(7) - 4
2. (Original post by niichola.)
There was a question about the root 80 + root xI got x=25

Sorry mate that was x=45 because root125 is 5root5, root20 is 2root5 and root80 is 4root5, so x=3root5 which is root45
3. (Original post by iLukeAi)
For the range of x values question, I put 9, 10 , 11 because the question asked for integer solutions? I did put 8 < x < 12, but only in the working out
I think this is right cause it asked for integer values definitely
4. (Original post by penelopecrux)
I really don't know how u got -80 for the x/y question, i wrote 80 :/
y<0, so when you do the square root you take the negative one and get -80
5. Does anybody remember the limiting value question- everybody seems to have got 3/5 but I managed to get 2
6. (Original post by jjen2603)
oh I thought he just said an A.
Oh right, because A^ is 2 grades above A (A^,A*A)
7. What was the range question? I think I must have missed it out. How many marks was it?
8. (Original post by DvsAmjed)
What was the range question? I think I must have missed it out. How many marks was it?
Not a range/domain question but the question that people are talking about a range for is:
Q7 find the integer values of x for x^2 - 20x + 96 < 0 (3marks, I think)
9. What was the rationalising the denominator question and what did everyone get as the answer?
10. (Original post by jojo41)
Not a range/domain question but the question that people are talking about a range for is:
Q7 find the integer values of x for x^2 - 20x + 96 < 0 (3marks, I think)
Ok thanks I completely misread the question and just solved it as a quadratic should get 1 mark for factorising hopefully
11. (Original post by lexiethomas)
What was the rationalising the denominator question and what did everyone get as the answer?
see post 41 above
12. What did everyone get for the 4 mark completing the square question??
13. Also what was the 4 mark completing the square question? I cannot remember
14. (Original post by jojo41)
see post 41 above
Thank you, at least I've got one question right haha
15. 62 marked harsly, guys what do you think a^ will be.
16. I got minimum 65
17. (Original post by chelseafc141)
How many marks do y'all think you got
around 50
18. (Original post by lily628)
thought i might as well get one going...
Factorise (x4 - 81)
= (x2 - 9)(x2 + 9)
= (x - 3)(x + 3)(x2 + 9)
If I left it as (x2 - 9)(x2 + 9) would I lose a mark?
I felt so proud for figuring that out as well. :/
19. (Original post by AspiringUnderdog)
If I left it as (x2 - 9)(x2 + 9) would I lose a mark?
I felt so proud for figuring that out as well. :/
that answer is correct, i'm 100 percent sure
20. Ive failed it completely

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