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