The Quasilinear equation of parabola y ^ 2 = 4x is x =? most urgent X=?

The Quasilinear equation of parabola y ^ 2 = 4x is x =? most urgent X=?

The parabolic standard equation is Y & sup2; = 2px (P > 0)
In this problem, P = 2, the Quasilinear equation is x = - P / 2 = - 1
Equation: x = - 1