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Iteration

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Question 5
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Starting with x0=1x_0 = 1x0​=1, use the iteration formula xn+1=4xn2+5\displaystyle x_{n+1} = \frac{4}{x_n^2 + 5}xn+1​=xn2​+54​ three times to find an estimate for the solution to x3+5x=4x^3 + 5x = 4x3+5x=4.

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Iteration Questions

  1. GCSE
  2. /Maths
  3. /Iteration

Practise Eduqas GCSE Maths Iteration with exam-style questions for Foundation and Higher tier. 40 questions, matched to the Eduqas GCSE Maths (C300QS) specification and written in Component 1 and Component 2 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.

Question bank

Surds
Bounds
Direct and Inverse Proportion
Quadratic Formula
Factorising Harder Quadratics
Algebraic Fractions
Rearranging Harder Formulae
Trigonometric and Exponential Graphs
Inverse and Composite Functions
Iteration
Finding the Area of Any Triangle
The Sine Rule
The Cosine Rule
Congruent Triangles
3d Pythagoras and Trigonometry
Histograms
Conditional Probability