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  1. Saad Mughal

    Maths D 22

    I gave 6. From tangent. I didn't realize the need to differentiate in during the exam, I differentiated it after the exam and realized it was 4.5 and I gave 6 which WILL be out of range, so 1 mark lost. :(
  2. Saad Mughal

    Maths D 22

    You'll get at least 1/2.
  3. Saad Mughal

    Maths D 22

    You will. I won't.
  4. Saad Mughal

    Maths D 22

    :cry:
  5. Saad Mughal

    Maths D 22

    Yes, and the gradient is 4.5, and the range is going to be 3.5-5.5. :cry:
  6. Saad Mughal

    Maths D 22

    Yeah.
  7. Saad Mughal

    Maths D 22

    Yeah. 610 cm^2.
  8. Saad Mughal

    Maths D 22

    -0.9
  9. Saad Mughal

    Maths D 22

    The thought of differentiating didn't occur to me, I differentiated it when I came home and it was 4.5, but the tangent carries one mark. I'll get that, just worried about the gradient.
  10. Saad Mughal

    Maths D 22

    $1.52
  11. Saad Mughal

    Maths D 22

    If you showed all the working and everything then made the correct conclusion, you might get the mark(s).
  12. Saad Mughal

    Maths D 22

    -0.9, error of 0.1 which is always in range.
  13. Saad Mughal

    Maths D 22

    I got 6. I got 5 at first, then I further stretched the tangent and got 6 from it's equation. :cry: The correct exact gradient was 4.5 and I'm hoping that my answer is in range.
  14. Saad Mughal

    Maths D 22

    I'm talking about YOUR graph's gradient, not the other one. It was -0.8.
  15. Saad Mughal

    Maths D 22

    Yes, the second one.
  16. Saad Mughal

    Maths D 22

    Yeah
  17. Saad Mughal

    Maths D 22

    Er.. Guys. I have a question. How light and thin was your graph? o_O And what was the gradient?
  18. Saad Mughal

    Maths D 22

    Look. CIE is a real messed up board. For all we know, the answer could be anything. So, let's just forget it. P.S. 1 mark was for correct time calculation and 1 mark for the correct answer so I'm sure everyone calculated the time correctly AT LEAST.
  19. Saad Mughal

    Maths D 22

    Well, It was a dead dumb mistake. You know the parallelogram question? The transformation one? Well, I read the vertices ABCD and PQRS instead of ABCD and PBQR (just a dumb mistake) and described the CENTER incorrectly. The center was B. I didn't have enough time to check my paper again, else I...
  20. Saad Mughal

    Maths D 22

    That's the problem! :p It's maths. We can't make any assumptions incorrectly. :p
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