root
What root means in Mathematics GCSE, as defined for Pearson Edexcel.
Definitions of root
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Reference: Pearson Edexcel
A value of the unknown that makes a one-variable equation true; for f(x) = 0, a value where the graph meets the x-axis.
An x-value that makes the function equal to zero.
Topics that use root
- Algebra - Graphs (Pearson Edexcel GCSE)
- Algebra - Solving equations and inequalities (Pearson Edexcel GCSE)
Related terms
- completing the square
- Discriminant
- monic quadratic
- Repeated root
- Turning point
- x-intercept
- factorise
- Algebraic modelling of real-world situations
Using root in the exam
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