iteration formula
What iteration formula means in Mathematics GCSE, as defined for Pearson Edexcel.
Definitions of iteration formula
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Reference: Pearson Edexcel
A rearrangement with a single x on the left, such as xₙ₊₁ = √(5 − xₙ), into which each answer is fed back.
A rule that turns one value into the next, written xₙ₊₁ in terms of xₙ, starting from x₀.
Topics that use iteration formula
- Algebra - Solving equations and inequalities (Pearson Edexcel GCSE)
- Ratio, proportion and rates of change (Pearson Edexcel GCSE)
Related terms
- Tangent
- Acceleration
- Algebraic modelling of real-world situations
- Applications of ratio in context
- Approximate solution
- area and volume units
- Asymptote
- average rate of change
Using iteration formula in the exam
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