Find the Vertex and Focus of the Parabola from the Given

Multiple Choice

Find the vertex and focus of the parabola from the given equation and select its graph.​ $$2 x + y ^ { 2 } = 0$$ ​

A) Vertex: (0,0) Focus: (- $\frac { 1 } { 2 }$ ,0)
B) Vertex: (- $\frac { 1 } { 2 }$ ,0) Focus: (0,0)
C) Vertex: (0,0) Focus: (0, $\frac { 1 } { 2 }$ )
D) Vertex: (0,0) Focus: (0,- $\frac { 1 } { 2 }$ )
E) Vertex: (0,0) Focus: ( $\frac { 1 } { 2 }$ ,0)