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Higher Maths 2012

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Reply 860
Avatar for StudyAk
StudyAk
Original post by AspiringVet
Ugh, I got the radius for the circle q, but couldn't for the life of me figure out how to get the centre. So stupid. How did you guys get that?


If you looked at the diagram carefully. The centre of circle 1 is symmetrical to the second circle at line p. You knew the coardinates of P and Q so you could have just chosen one of those points and looked how do you have to go down and how long you had to go in left in the x- axis to get from Centre Of circle 1 to P. then just by looking at the diagram, circle were congruent. So You just had to go the same number of units left and same number of units up the way From P. You could of done it the same way bt using Coardinates of Q. Sounds confusing but i don't have the exact co-ordinates of P and Q so kind of hard to explain
(edited 11 years ago)
Reply 861
Avatar for Kerrias
Kerrias
13
Anyone have a scanned and cleanish copy of Paper 1? My computer doesn't like the photos haha
The last few questions in Paper 2 were appalling!
Reply 863
Avatar for Ophie
Ophie
For question 3 of paper 2, I got Maximum = 6 and Minimum=-2. Anyone got different?
For the shaded are on paper 1 did anyone get 32/3 or am I completely wrong?
Original post by mintaddiction
70% for an A??! That's not much of a decrease... considering how hard the calculator was, it should be going down to a 66% at least...

In my school, a guy started crying halfway into the calculator paper. And the maths teachers ran up to us afterwards looking as if they were dreading the worst.


I thought 2011 was hard and that was 75% for an A.
Original post by Amiro123
Was the circle centre (-3,3) and radius root10?


It you're talking about 2b) in the calc paper, then no... I think it was (-5,5) and the radius was root 40
For the circle question my answer was:

(x+3)^2 + (y+5)^2 = 40

Something along those lines.

Think I got 36/40 marks in MC!
Reply 868
Avatar for lapples
lapples
Original post by Blue7195
did anyone get like 14/3 for the integration question? i hate doing them without a calc always manage to mess up :frown:



18 and two thirds units squared anyone?
Reply 869
Avatar for aroy45
aroy45
2
Original post by ScottishDan
For the shaded are on paper 1 did anyone get 32/3 or am I completely wrong?


You're right :smile:


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Reply 870
Avatar for Reece:)
Reece:)
Original post by lapples
18 and two thirds units squared anyone?


was 10 and 2/3 im sure or 32/3units^2


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Reply 871
Avatar for Scott.c
Scott.c
What even was that last question on paper 2 haha!
Reply 872
Avatar for Direct15
Direct15
2
Original post by mintaddiction
70% for an A??! That's not much of a decrease... considering how hard the calculator was, it should be going down to a 66% at least...

In my school, a guy started crying halfway into the calculator paper. And the maths teachers ran up to us afterwards looking as if they were dreading the worst.


The head of maths stood outside shook her head and the paper, personally my maths teacher look at the paper and laughed/cried poor person... Don't get enough pay theses days but my maths teacher is a marker ohh what fun they'll have
Original post by Ophie
For question 3 of paper 2, I got Maximum = 6 and Minimum=-2. Anyone got different?


I got 58/27 and -2 but take that with a pinch of salt :wink:

EDIT and I'm wrong :P

Original post by ScottishDan
For the shaded are on paper 1 did anyone get 32/3 or am I completely wrong?


I got 12 and a third. But I'm not that great at them.
(edited 11 years ago)
Reply 874
Avatar for MarkR7
MarkR7
Original post by Reece:)
was 10 and 2/3 im sure or 32/3units^2


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thank god, my mates were getting 32 for it i was like ehhhh? but i got 10 and 2/3
Reply 875
Avatar for Reece:)
Reece:)
Original post by TheFOMaster
I got 58/27 and -2 but take that with a pinch of salt :wink:



I got 12 and a third. But I'm not that great at them.


maximum could not be at a negetive as it specified 0<x<3


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Reply 876
Avatar for Reece:)
Reece:)
Original post by -Neuro-
32/3 units square (or 10 and two thirds)?
Oh dear, bit of variation :s-smilie:


thats the correct answer:smile:!


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Original post by KeithyDee
For the circle question my answer was:

(x+3)^2 + (y+5)^2 = 40

Something along those lines.

Think I got 36/40 marks in MC!



Are you sure? :colondollar:

I got (x+5)^2 + (y-5)^2 = 40
Reply 878
Avatar for CSR
CSR
Original post by ScottishDan
For the shaded are on paper 1 did anyone get 32/3 or am I completely wrong?


yeah i got something like that
MY m.c
C
D
B
B
A
C
A
C
A
B
D
B
D
C
D
D
A
B
B
A

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