Mathematics GCSE
Circle equation centred at the origin
What Circle equation centred at the origin means in Mathematics GCSE, as defined for AQA.
Definition of Circle equation centred at the origin
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Reference: AQA
A circle with centre at the origin and radius r has equation x² + y² = r², so a point lies on the circle exactly when its coordinates satisfy that equation.
Topics that use Circle equation centred at the origin
- Graphs (AQA GCSE)
Related terms
- Area under a graph as an accumulated total
- Asymptote
- Asymptotes
- Asymptotes and domain restrictions
- average rate of change
- Chord
- Coefficient
- completing the square
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