What is algebra and why do we use it?

Algebra is a part of mathematics in which letters or symbols are used to represent either a known constant or an unknown value. Algebra is often used within formulae in which we can extrapolate an answer, an example being the 'Quadratic Equation'.

Related Maths GCSE answers

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OCR, 2016, Higher Maths: Rationalise the denominator 1/(1+sqrt(3))


Find a solution for the following simultaneous equations: 2x+y=5 and 2x-5y=2


Solve the following simultaneous equation: x^2 + y^2 = 9 X+y=2


Solve 8p = 24


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