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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Solve the simultaneous equations: 4X+6Y=4 and 7X+5Y=12.5


Find the solutions to this quadratic equation: 0 = 2x^2 - 5x - 3


Solve x^2 + x/2 =5


If 3(x+2) = 4, what is x?


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