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
All answers ▸Lewis wins £360 in a prize draw. He gives 15% to charity and puts 3/8 into his savings. The rest he uses to buy a bike. How much of the money has Lewis got left for this bike? Note: do not use a calculator
Divide 711 in the ratio 4:5
Simplify: 3(x+5)-4(2x+1)
Differentiate y = e^(2x)cos(3x)