AQA · Mathematics · 8300
GCSE Maths: Linear graphs: length of a line
Algebra · AQA GCSE Maths (8300). Cards are generated from the Corbettmaths textbook exercise for Linear graphs: length of a line (Corbettmaths Video 185), and every card links back to the exact page it came from. Practice tests generate fresh variations of these questions, so the numbers change every attempt. Source material © Corbettmaths — used with attribution.
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What formula calculates the distance between two points (x₁, y₁) and (x₂, y₂)?
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√[(x₂ − x₁)² + (y₂ − y₁)²]
What geometric theorem underpins the distance formula between two points?
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The Pythagorean theorem (a² + b² = c²)
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