Expressions like the following are called polynomials in one variable. 0, -5, 7 etc. are examples of constant polynomials. The constant polynomial 0 is also the zero polynomial. Others like 7x + 9 is ...

Learn how to recognise and interpret algebraic notation with this BBC Bitesize Maths article. For students between the ages of 11 and 14. Functions Learn how to find both the inputs and outputs of ...