X 2 4x 4y 8 0 July 8, 2019 16 32 64 128 X 2 y 2 4x 4y 8 0 X 2 y 2 4x 4y 8 0 then xy The equation of directrix of parabola x 2 4x 4y 8 0 By translation of axes simplify the equation x 2 4x 4y 8 0 X 2 3y 2 2xy 4x 4y 8 0
