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Published: 17/07/2015
6 pages

Coordinate geometry: straight line formulae and equations

Derivation of straight line formulae (length, gradient, midpoint) and equations of a straight line. Suitable for higher GCSE or AS.    

See other resources: Algebra | Linear graphs – plotting and sketching

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Camilla Clarkson, Teachit maths editor
Camilla Clarkson, Teachit maths editor
Thanks for letting us know - now corrected.

Posted on 20th May 2020
Amanda Ladbury-Webb
Amanda Ladbury-Webb
On slide 3 the vertical height in green should be yQ - yP (not xQ - yP)
Posted on 9th March 2020

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