Mathematics GCSE
graphical approximate solutions
What graphical approximate solutions means in Mathematics GCSE, as defined for Pearson Edexcel.
Definition of graphical approximate solutions
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Read the wording for your board, then hide it and explain graphical approximate solutions in your own words. Rough notes are fine. This is a self-check, with no mark or grade.
Reference: Pearson Edexcel
The intersection of the two graphs gives the solution; read approximate coordinates from the grid, or draw the line and curve to estimate them.
Topics that use graphical approximate solutions
- Algebra - Solving equations and inequalities (Pearson Edexcel GCSE)
Related terms
- Algebraic modelling of real-world situations
- Approximate solution
- Coefficient
- completing the square
- Defining variables and interpreting solutions
- Discriminant
- Elimination
- Factor
Using graphical approximate solutions in the exam
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