Find the vertex, focus, and directrix of the parabola.
-$y^{2}=-12 x$

A)vertex: $ (0,0) $ focus: $ (-3,0) $ directrix: $ x=3 $
B) vertex: $ (0,0) $ focus: $ (3,0) $ directrix: $ x=-3 $
C) vertex: $ (0,0) $ focus: $ (0,-3) $ directrix: $ y=3 $
D) vertex: $ (0,0) $ focus: $ (0,-3) $ directrix: $ y=3 $

Question

Find the vertex, focus, and directrix of the parabola.
-$y^{2}=-12 x$

A)vertex: $ (0,0) $ focus: $ (-3,0) $ directrix: $ x=3 $ 
B) vertex: $ (0,0) $ focus: $ (3,0) $ directrix: $ x=-3 $ 
C) vertex: $ (0,0) $ focus: $ (0,-3) $ directrix: $ y=3 $ 
D) vertex: $ (0,0) $ focus: $ (0,-3) $ directrix: $ y=3 $

Quizplus · Accepted Answer

The Answer of Find the vertex, focus, and directrix of the parabola.
-$y^{2}=-12 x$

A)vertex: $ (0,0) $ focus: $ (-3,0) $ directrix: $ x=3 $ 
B) vertex: $ (0,0) $ focus: $ (3,0) $ directrix: $ x=-3 $ 
C) vertex: $ (0,0) $ focus: $ (0,-3) $ directrix: $ y=3 $ 
D) vertex: $ (0,0) $ focus: $ (0,-3) $ directrix: $ y=3 $

Find the Vertex, Focus, and Directrix of the Parabola y2=−12xy^{2}=-12 xy2=−12x

Find the Vertex, Focus, and Directrix of the Parabola $y^{2}=-12 x$