Intermediate 2 Maths 2010 Thread Watch

rfc123
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#21
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#21
How did everyone find the int 2 exam today? i thought some questions were a bit tricky than what i would have expected. If anyone has any answers which they think are correct please share them and post. Thanks . :p: :o: :rolleyes: :cool: :eek3: :woo: :bike: :rofl2: :rofl2:
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HD.x3
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#22
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#22
i thought paper 1 was horrible!
our teacher hadn't taught us the trig graph we were asked about!
i got 96% in my prelim though, so a pretty good appeal!
i got for the -11, that you cant find the square root of a negative no.
second one was ok though, but i got the surds one wrong!
i finshed the 2nd one at 2.45, but i stayed to the end to check over it about a billion times :L:L
im sure all of yous will have done fine!
helen xxx
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bubble14
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#23
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#23
ye i found the exam reasonable i guess, although anyway know what question 13 and 14 was on the calculator paper?? i thought it was really hard
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kas12
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#24
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#24
q13 was pythagoras and 14 was trig equations
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TEX1
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#25
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#25
Regards to SQA considering the heat it is very unlikely as I don`t think they take much into consideration unless very serious-e.g. health issues. My thoughts were confirmed after I heard that the principal assessor for History namely a Mrs R****** had said that this is often the case and that passably the heat exhaustion factor should be taken into consideration by putting in place a lower pass mark. Good Luck folks with your results and I’m sure you won’t need it.
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Georgiemcc
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#26
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#26
I found it ok, yeah some where hard. Im so spasy, i couldn't do the sphere, like the easiest question, but i think the rest where ok.:yes:
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rachiesy
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#27
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#27
If anyone has the paper, would they possibly be able to scan and upload it? I'd really appreciate it
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Quintro
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#28
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#28
(Original post by rachiesy)
If anyone has the paper, would they possibly be able to scan and upload it? I'd really appreciate it
I will maybe upload paper 2 during the week when I get access to my scanner. :yep:
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Quintro
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#29
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#29
(Original post by Georgiemcc)
I found it ok, yeah some where hard. Im so spasy, i couldn't do the sphere, like the easiest question, but i think the rest where ok.:yes:
I struggled with that too. I don't know if I got the right answer but I think I got something close to it... I struggled doing the calculation in it lol, I knew what to do, I just couldn't do it.
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minsyb
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#30
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#30
I thought Paper 1 was quite tricky in parts but I acutually quite enjoyed Paper 2 - is that sad?!?!
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minsyb
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#31
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#31
I was the same with the Sphere question! Knew how to calculate it but my paper calculations were just nonsense!!
I thought Paper 1 was slightly harder than Paper 2!
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okey cokey
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#32
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#32
Can anyone post any answers that they know are correct for any of the questions please. Much appreciated thanks
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okey cokey
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#33
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#33
If anyone knows any answers that are correct could they please post them thanks
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Rachel_93
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#34
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#34
I can hardly remember what i wrote in that paper lol, i just hope ive got a B!
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rachiesy
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#35
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#35
(Original post by Quintro)
I will maybe upload paper 2 during the week when I get access to my scanner. :yep:
Thank you; would be greatly appreciated
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Lscott22
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#36
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#36
Well the answers that I can remember are:

In one of the trig questions one side was 8 cm.
An area of what I think was a newspaper holder thing was 1300 cm squared.
48 degrees was an answer to the last question on paper 2.

Something along those lines, did anyone get the same as mine?
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DerBoy
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#37
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#37
Yes, I had the same answers as you Lscott.

On the first paper, in no particular order, here are some of the answers:

For the sphere one I got 113.04.

(p^5)-1
a=45 (the cosine graph)
k=-9 (graph of y=-x^2)
coordinates of Q were (8,0) and b was -9, a=-5

Paper 2:

the value fo the machine was roughly $150000
sectors were 150,200,10 (just multiply by 5, effectively)
the taxi fare was 11
the surd question simplified to 4sqrt(7)
in the sim. eqns, y=-2, x=7 iirc
height of the tunnel was like just over 3 or just over 4m, can't remember which
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Lscott22
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#38
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#38
Aw yes, I remember getting some of those answers DerBoy. Nice to know I am getting a match of answers.
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RobbieF
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#39
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#39
I took the paper away after the exam. These are the questions and the answers i got. I missed a couple out, and some might be wrong.

If i put this (2) it means to the power of. For e.g (3) would be to the power of 3.

Questions and Answers.

Paper 1

1. Find the equation of the straight line (diagram)

Answer - Y=4/-3x+8

2a). Construct a cumulative frequency table.

Answer - size frequency cumulative frequency
5 3 3
6 4 7
7 7 14
8 3 17
9 3 20

b) i) Find the median - 7
ii) The lower quartile - 6
iii) The upper quartile - 8

c) Construct a box plot - Can't do on this.

3). The sphere has a diameter of 6 cm. Calculate it's volume.

Answer - 113.04

4.a) Factorsie x(2) + x - 6

Answer - ( x + 3 ) ( x - 2 )

b) Multiply out the brackets and collect like terms.

Answer - 3x(3) + 17x(2) + 7x - 2

5.) The point (-3,k) lies on the graph
Find the value of k

Answer k= -9

6.) In triangle ABC, AB = 12 cm, sin C = 1/2 and sin B = 1/3

Find the length of side AC

Answer - Couldn't get the answer, i know it's the sine rule but i couldn't work it out

7.) Express p p(2) - p (-3)

Answer - p(5) - p(-1)

8.) Maria has been asked to find the roots of the equation

x(2) + 3x + 5 = 0

a) calculate the value of b(2) - 4ac

Answer = -11

b) Now explain why Maria cannot find the roots

Answer = -11 is a negative number so it cannot be rooted

9. Write the value of A ( cos graph )

Answer - A = 45

10. The equation of the axis of symmetry of the parabola is x = 5

a) State the value of A

Answer = -5

b) P is the point (2,0). Sate the coordinates of Q

Answer = Couldn't do

c) Calculate the value of b

Answer = Couldn't do

Hope this helped
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Lscott22
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#40
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#40
Paper 1

Q 6. I think was 8cm

Apart from that I got pretty much the same as you (RobbieF)
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