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 ▸Factorise y^2 - y - 12
Solve algebraically the simultaneous equations x^2 +y^2 = 25, y – 3x = 13
I set up a tent (assume it’s a regular triangular prism) of length 2.2m. The triangular face of the tent is an isosceles triangle. The two identical sides are both 1.4m long and have an angle of 34degrees between them. Work out the volume of the tent -3sf
Solve the following simultaneous equations for x and y : 2x - y = 12; x + 3y = 20