3rd Year Revision List
Probibilty
Sets
A n B is anything in both A and B
AUB is everything in A and B
Expected frequency
Tree Diagrams
Two way tables
A\B is everything in A but not in B
Indices
Statistics
Median- middle value after the data has been ranked
Mode- value that occurs most often
Mean- the sum of the values in the set divide by the number of vaules in the set
Stem and leaf diagrams
Number patterns
Algebraic expressions and factorising
Applied Arithmetic
Surds
Tax payable = gross profit - tax credit
A tax credit is the sum deducted from the total
amount a tax payer owes to the state
HCF
Difference of two squares
Foil method + box method
Factorise by Grouping (sx – ty + tx – sy)
Factorise quadratic trinomials (x2 + bx + c)
Guide number
Solve Linear, Quadratic, and Simultaneous Equations
Inequalites
R=real numbers
N= natural numbers
Z=intergers
Speed, distance and time
Algebraic fractions
Find LCM, Simplify, multiply out the brackets, group like terms and add and subtract like terms
Functions
The range is the set of actual output values of a function
Geometry
Transformations (Translations, Rotations, Axial and Central Symmetry)
Congruent Triangles (SAS, ASA, SSS, RHS)
Geometry Notation (Lines, Rays, Segments, Collinear)
Co-ordinate geometry
Slope
Length of a line
Trigonometry
Area and volume
area of traingle = 1/2 base(h)
area or circle = pie(r) squared