Kena2001 Kena2001 27-07-2020 Mathematics contestada What is the equation of the parabola with focus (1, -3) and directrix y = 22A. y - 4x^2 +8x-21B. y=2/3×^2-4/3×+7/6C. y =-1/10×^2+1/5×-3/5D. y=-3×^2+2x-2