Core 1 Formulae 4.0 / 5 based on 1 rating ? MathematicsCoordinate GeometryA2/A-levelOCR Created by: HarrasedaCreated on: 17-05-16 17:33 Length of a line from two points Square Root of: (x2-x1)^2 + (y2-y1)^2 1 of 6 Midpoint of two points (x2-x1)/2 , (y2-y1)/2 2 of 6 Equation of a line (y-y1)=m(x-x1) 3 of 6 Gradient of a line (y2-y1)/(x2-x1) 4 of 6 What is the discriminant? b^2-(4ac) 5 of 6 Equation of a circle, with centre (a,b) and radius r (x-a)^2+(y-b)^2=r^2 6 of 6
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