What is an equation of the parabola with vertex at the origin and focus (-4, 0)?(1 point)

Responses

x=116y2
x is equal to 1 over 16 y squared

x=−116y2
x is equal to negative 1 over 16 y squared

y=−116x2
y is equal to negative 1 over 16 x squared

y=116x2