Starting with x0=3x_0 = 3x0=3, use the iteration formula xn+1=7xn2+2\displaystyle x_{n+1} = \frac{7}{x_n^2} + 2xn+1=xn27+2 three times to find an estimate for the solution to x3−2x2=7x^3 - 2x^2 = 7x3−2x2=7
Practise Edexcel GCSE Maths Iteration with exam-style questions for Foundation and Higher tier. 40 questions, matched to the Edexcel GCSE Maths (1MA1) specification and written in Paper 1, Paper 2 and Paper 3 style. Every question includes a full worked solution and mark scheme, so you can see where marks are awarded rather than just whether you got the answer right.