Parabola OPENS LEFT
Parabola vertex at (0,0)
Opens LEFT Axis of Symmetry y = 0 Y Intercept (0,0) X Intercept (0,0) Directrix Line x = -p Focus (p,0) Domain: All non-positive x Range: all real y |
Parabola vertex at (h,k)
Opens LEFT Axis of Symmetry y = k Directrix Line x = h-p Focus (h+p,k) Domain: All real x < h Range: All real y |