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AQA Level 2 Certificate in Further Mathematics UNOFFICIAL MARKSCHEME Paper 2

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    • Thread Starter

    I will try and remember everything. Please correct me if I'm wrong

    1) 15 square units [3]
    2) a) x=2 [1]
    b) x=-0.8, x=4.8 [2]
    3) a) (c/a, 0) [1]
    b) -b/a [1]

    I don't know the question number for these:

    sin^2(x) - 3 cos^2(x) = sin^2(x) - 3(1-sin^2(x)) = sin^2(x) - 3 + 3sin^2(x)
    = 4sin^2(x) - 3 [2]
    solutions of the above is equal to 0 are x = 60, 120, 240, 300 (all in degrees) [4]
    y > 45 degrees for tan y [1]
    sin y = (p+1)/(root (2p^2+2)) [4]
    p = -9 for the coefficient is -23 [3]
    For the pyramid, I got 36.9 degrees but I'm not sure [4]
    The graph started in the left and went below the x axis on the right [3]
    To prove y = 3x on the parallel lines, you had to do angles around a point make 360 degrees and then use supplementary angles [4]
    x/y = 12 [3]
    f(x+1) - f(x) = 1/(2x+1)(2x+3) [5]
    The 2/5* root x equation was 25/4 [2]
    x^3 = 5x^2 was x=0, x=5 [2]
    The nth term was 2n+5 [2]
    The quadratic nth term was 6n^2+13n-5 [3]
    The circle theorems was 37.5 degrees [4]
    The matrix mapping the points was that they can be the same as long as a = -3 [4]
    The matrix transformation was (-3 0) so scale factor -3 [5]
    0 -3
    The equation with 3/x-2 + .... was something like x = 1.23, x= 2.77 [6]
    The length of CB was 32 units [6]
    The range of f(x) was -3 <= f(x) <= 6 [2]
    The tick box question was left box, middle box, right box, middle box [4]
    The quadratic graph and coordinates of P were (0,7) [4]
    The coordinates of P with the line ratios were (-9/2, 47/8) [3]
    The simplify fraction was x+2/x+3 I think [2]
    The simplify was something like w^3x^2y^2 (w^2+y) [2]
    The make the subject of the formula was something like x = 8w/y+8 [4]
    The coordinates of intersection were (1.4, 3.4) [3]

    I can't remember 6 marks, sorry. Please tell me if you can remember but I will try and remember myself!

    Hope this helps

    Wasn't this just 1? It was something like the 2/5th root of X = 1:

    The 2/5* root x equation was 25/4 [2]

    what would a combined total of 95 marks out of 175 achieve ?

    Oh my God, I never knew I got so many of the questions right, think I have got an A* overall, hopefully because the unofficial mark-scheme looks spot on!
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