From yr 11 3u 9B, Q13: a) and b)
Using the definition of a parabola and the perpendicular distance formula, find:
a) the equation of the parabola with focus S(-1,1) and directrix y=x-2
b) the equation of the parabola with focus S( 3,-3) and directrix x-y+6=0
PS: The extension section in 9B is...