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  1. M

    Draw accurate sketches of the following conic sections.Label...

    ...centres,intercepts,verticies,directeries and foci? a) x^2+y^2+8x-2y-8=0 b)y-3x^2+6x-8=0 c)4x^2+25y^2=100 d)4x^2-9y^2=-36
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