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4174190
C1 - Algebra And Functions
Descripción
C1 Algebra And Functions
Sin etiquetas
maths
c1
as level
a level
Mapa Mental por
Harman Rai
, actualizado hace más de 1 año
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Creado por
Harman Rai
hace más de 8 años
40
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Resumen del Recurso
C1 - Algebra And Functions
Simplifying expressions by collecting like terms
When simplifying expressions remember to look out for like terms that you can either subtract or add to simplify the expression.
4x - 5y + 3x + 6y = 7x + y
The Rules Of Indices
When you are X two values together you are adding the powers and multiplying the numbers
When you are / two values together you are taking away the powers and dividing the numbers
Expanding An Expression
The sign outside of the bracket changes the sign of every term inside the brackets
5(2x + 3) = 10x + 15
Factorising Expressions
When you factorise an expression the terms inside should now not have a common factor
3x + 9 = 3(x + 3)
Factorising quadratic expressions
quadratic expression is written as ax*2 + bx + c where a, b, c are constants
6x*2 + 9x = 3x(2x + 3)
The rules of indices for all rational exponents
They can be written as a/b where a and b are both integers
x*-4 / x*-3 = x*7
The use and manipulation of surds
The square root of a number is a surd
Rationalising the denominator of a fraction when it is a surd
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