Fp1 - Coordinate systems 2.0 / 5 based on 1 rating ? Further MathsASEdexcel Created by: Jess HCreated on: 27-01-13 15:08 What is the form of a cartesian equation? y^2 = 4ax 1 of 6 What is the relationship between the focus, directrix and the parabola The parabola is a locus of points which is at the same distance from the focus and directrix at a general point P 2 of 6 To find the tangent to the curve at P we... Find dy/dx, sub x in to give the gradient, form y = mx +c, sub x and y into equation to find c and simplify 3 of 6 Length of AB = ? √(x - x)^2 + (y - y)^2 4 of 6 What is the general shape of a rectangular hyperbola y = n/x 5 of 6 What is the general equation for a rectangular hyperbola? xy = c^2 6 of 6
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