Coordinate geometry: straight line formulae and equations
Last updated: 20/05/2020
Contributor: Claire Woodhouse
|This PowerPoint on coordinate geometry covers the derivation of formulae for the distance between two points, gradient and midpoint, the equation of a straight line and perpendicular lines. It is suitable for both Higher GCSE and for year 1 of A level.|
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Thanks for letting us know - now corrected.
On slide 3 the vertical height in green should be yQ - yP (not xQ - yP)