plumiIteration: Edexcel GCSE Maths questions
Every Edexcel GCSE Maths exam question on A20 Iteration, 2017–2025, with its mark scheme and examiner’s report.
Find questions997
Exam
All years
Calculator
All 6 questions on Iteration, as a list
- November 2023, Paper 2H, Q17 (6 marks): (a) Show that the equation x3 + 2x − 6 = 0 has a solution between x = 1 and x = 2 6 (b) Show that the equation x3 + 2x − 6 = 0 can be rearranged to give x = 2x
- June 2023, Paper 2H, Q17 (4 marks): (a) Show that the equation x + 4 5 (b) Starting with x0 = 1.5 use the iteration formula xn+1 = xn + 5 three times to find an estimate for 2 4 4 – x 2 – 5 = 0 a
- November 2021, Paper 2H, Q16 (4 marks): (a) Use the iteration formula xn + 1 = 10 3 − xn to find the values of x1, x2 and x3 2 Start with x0 = 2 x1 = x2 = x3 = The values of x1, x2 and x3 found in par
- June 2018, Paper 3H, Q18 (6 marks): (a) Show that the equation x3 + x = 7 has a solution between 1 and 2 (b) Show that the equation x3 + x = 7 can be rearranged to give x = 3 − x 7 (c) Starting wi
- November 2017, Paper 3H, Q15 (9 marks): (a) Show that the equation x3 + 7xí KDVDVROXWLRQEHWZHHQx = 0 and x = 1 5 (b) Show that the equation x3 + 7xí FDQEHDUUDQJHGWRJLYHx = 2
- June 2017, Paper 3H, Q16 (5 marks): Using x + = −− 2 n 1 2 x n with x0 = −2.5 (a) find the values of x1, x2 and x3 x1 = x2 = x3 = (b) Explain the relationship between the values of x1, x2 and x3 a
Questions, mark schemes and examiner’s reports are © Pearson Edexcel, from their published past papers. Plumi isn’t affiliated with any exam board. Want whole papers? Every Edexcel GCSE Maths paper.
Rather write your answers by hand on iPad? Plumi marks them against the same mark schemes.