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This was the final question in AQA's 2011 non-calculator paper, and most top candidates will be looking to score all 5 marks that are on offer. Our usual technique for simultaneous equations isn't going t...

A private limited company, or LTD, is a company which does not offer stock to the public, and thus its shareholders are normally family, friends and employees. There is no need for an LTD to disclose any ...

Price discrimination is the sale of identical goods or services transacted at different prices from the same provider. It can only be a feature of a monopolistic market in which market power can be exerci...

Your introduction should clearly indicate the text(s) you will be using in your essay. It should use key terms from the question and indicate what makes the texts you have chosen relevant to the question....

x^2 + y^2 =1 y = 3x + 1 x^2 + (3x + 1)^2 = 1 x^2 + 9x^2 + 6x+ 1 = 1 10x^2 + 6x = 0 x(10x+6) = 0 x= 0 or x = -6/10 = -3/5 When x = 0, y = 1 When x = -3/5, y = -4/5