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Standard Grade Maths ! Watch

1. Yeah x=5 because QR was the smallest side so it couldn't be x=1
2. (Original post by physicsgleek)
The Variation question was the one about depth of water in a tank?
Ahh yes, the d varies directly as blah blah..., I got 40cm
3. (Original post by anthonyfl)
Did you all get x=5 for the last question in paper 2?
yes
4. (Original post by humza100)
was 6a the surd one, if it was it got 2 root 11
I got that too, I meant the one about "find the equation of the axis of symmetry" and also the one with indices where you had to solve for n.
5. (Original post by mrsnicket)
Ahh yes, the d varies directly as blah blah..., I got 40cm
Me too!
6. YASS! I wrote a little paragraph where I went off on a tangent () explaining why x couldn't be 1. Time well spent haha...
7. Woah my friend lectured to me about why the depth should be 37... I feel good for having 40 now
8. (Original post by anthonyfl)
No I got that one, I'm talking about the (2)^n = 1/64 one, something like that?
I got n= -2, cos the first answer was 64, and I thought if it was a negative power you put 1 over it, therefore getting 1/64...?
9. (Original post by anthonyfl)
No I got that one, I'm talking about the (2)^n = 1/64 one, something like that?
Oh I got -2 for n!
10. (Original post by regalrose)
Woah my friend lectured to me about why the depth should be 37... I feel good for having 40 now
It's definitely 40cm!
11. That is what I got too and my teacher said it was correct. (n=-2)
12. (Original post by regalrose)
That is what I got too and my math teacher said it was correct. (n=-2)
13. Also (n/2)x(n/2+1) for the second last one. The last one I got 2550 = 50x51
14. (Original post by regalrose)
Also (n/2)x(n/2+1) for the second last one. The last one I got 2550 = 50x51
Yeah, the formula was 1/2n(1/2n+1) I put...?
15. Yep!!
16. (Original post by regalrose)
Yep!!
I feel much better about paper 1 now after seeing people's answers on here, except about a few questions I know I got wrong

Btw did anyone get 3.03 million vehicles or something for one of the first questions?
17. (Original post by anthonyfl)
No I got that one, I'm talking about the (2)^n = 1/64 one, something like that?
So was the question:

, find the value for n?

If so, it'd be -6. But I get the feeling that's not what it asked.
18. (Original post by mrsnicket)
I feel much better about paper 1 now after seeing people's answers on here, except about a few questions I know I got wrong

Btw did anyone get 3.03 million vehicles or something for one of the first questions?
yeh, thats what i got
19. Hey can anyone upload the paper? I'd be happy to solve and post the solutions?
20. (Original post by michaelroy)
Hey can anyone upload the paper? I'd be happy to solve and post the solutions?
Could the person uploading, please upload paper 2.

Thanks

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Updated: May 10, 2012
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