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Algebra:-
The branch of maths which uses letters or symbols to represent numbers.
Amazon : Algebra
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Algebra basics
Operations
Associativity
Commutativity
Distibrutivity
Identity
Number bases
base 10 : hundreds, tens, units
Algebra - terminology
Algebra 1
A video presentation for beginners.
Algebra 2
A video presentation for intermediate algebra.
Algebra -examples
Algebraic manipulation
Algebra - Solving Trig equations
Algebraic fractions
Partial fractions
Factorials
Pascal’s triangle.
Binomial theorem
Completing the square
Completing the square - overview
Completing the square - coefficient method
Completing the square - general method
Completing the square - solving quadratic equations
Completing the square - usefulness for quadratics
Distance, Speed & Time
Distance, speed & time
Calculating Distance travelled
Calculating Average speed
Calculating Time taken
Distance - time graphs
Unitary conversions
Equations & Inequalities
Equations
Inequalities
Factors
Factors
HCF
Multiples
LCM
Prime factors
Factors - removing brackets
Foil
Factorising
Difference of two squares
Formulae
Formulae in words
Evaluating formulae
Order of operations
Formulae in symbols
Changing the subject of the formula
Deriving the Quadratic Formula
Using the Quadratic Formula
Functions
Functions
Set notation
Domain, codomain & range
One to one correspondence
Inverse function
Inverse function - algebraic method
Inverse function - graphical method
composite functions
Simple graphs of functions
Reflections, translations, etc
Functions ( more advanced)
Modulus function
Inverse functions
Polynomials
Extrema
Concavity and points of inflexion
Odd and Even functions
Asymptotes
Logs & Exponentials
Exponentials
Growth functions
Decay functions
Logarithms
Logarithms - converting bases
Logarithmic equations
logarithm laws
Log and Ln
Exponential / log functions - graphs
Logarithmic scales on graphs
Exponential / log functions - graphs
An Excel reminder.
Indices
Indices
Joint variation
Direct proportion
Indirect proportion
Proportion - square
Polynomials
Coefficients etc.
Nested form.
Dividing polynomials
The factor theorem
The remainder theorem
Synthetic division
Dividing by ax+b
Solving polynomial equations
Sketching polynomial equations
Quadratics
Quadratics
Factorizing quadratics
Factorizing quadratics- alternative
Finding roots of quadratics
Finding roots of quadratics which don't factorise easily
Quadratic formula
Finding roots of quadratics - derivation
Quadratic graphs
Sketching quadratic functions
Discriminant
Quadratic equations
Quadratic graphs - tangency
Complex numbers
Complex numbers
Argand diagrams
Polar form
De moivre's theorem
Roots of a complex number
Sequences
Sequences
Higher sequences
nth term of sequence
Recurrence relations
Divergence / convergence
Linear recurrence relations
Formula for linear recurrence relations
Solving recurrence relations
Special sequences
Sequences - Advanced
Recurrence relations
Fixed points
Arithmetic sequences
n
th
term of arithmetic sequence
Sum to n terms of an arithmetic sequence
Geometric sequences
Sum to n terms of a geometric sequence
Infinite series
Sum to infinity - geometric series
Sum first n natural numbers
Sigma notation - Rules
Common series - sigma notation
simultaneous equations
Simultaneous equations : graphical method
Simultaneous equations : solving by elimination
Simultaneous equations : Vedic method
Surds
Surds
Surds test
© Alexander Forrest