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Formulae

  • 03-06-2006 2:34pm
    #1
    PrettyInPunk
    Registered Users, Registered Users 2 Posts: 843 ✭✭✭


    Formulae

    Q1

    compound interest

    simple interest

    vat=total bill-original cost

    % vat

    profit= selling price - cost price

    % profit

    error = true value - estimate

    % error

    average speed

    gross income = standard rate cut off point + income above standard rate cut off point

    gross income- tax payable + net income

    gross tax - tax credits + tax payable

    Q2

    quadratic formula

    diff of 2 squares

    diff of two cubes

    sum of two cubes

    sum of roots

    the formula used to find a missing balue in a quatratic equation when you know that the equatino has roots

    all the powers rules

    Q4

    modulus

    firsti principles quotient rule

    dy/dx

    slope of curve=slope of tangents at points of contact

    ds/dt = speed

    d2s/dt2+ acceleration (the 2s are squared)

    Paper 2 Q1

    simpsons rule

    arc length

    area of a sector

    regtangle:area
    perimeter

    Square:area
    perimeter

    Triangle:area

    circle:area
    circumference

    Volumes:sphere
    cylinder
    cone
    curved surface area

    rate of flow


    Q2

    distance

    midpoint

    slope

    equation of a line

    central symmetry

    axial symmetry

    area of triangle

    Q3

    equation

    radius perpendicular to tangent at point of contact

    Q5

    Right angled traingles:area
    ratios of sides

    pythagoras theorem

    non right angled traingles:area
    cosine rule
    sine rule

    compound angle(pg 9 log tables)

    Q6 probability

    arrangements

    combinations

    laws of probability


    Q7 stats

    Mean

    weighted mean

    standard deviation

    median

    interquartile range

    histogram


    Theres a fair few of them..but are all the area and volume formulae not in the log tables??


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