find the vertex,focus, and directrix

Question

y^2= 16x-8

Answer 1

vertex= (1/2, 0) focus = (.5 + b, 0) and directrix x =.5 -b

parabola equation is

x = (y^2)/16 + ,5 with a = 1/16 =1/4p, p=4

b=1 focus = (1.5, 0), directrix: x=-.5