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 ▸The length of a rectangle is five times the width. The area of the rectangle is 1620cm2. Work out the width of the rectangle.
Solve y = 2x^2 - 5x - 1 for x = -1 and x = 2
Expand and simplify (x+4)(x-5).
y is inversely proportion to the square of x. y=10 when x=5. Express y in terms of x.