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

A) $\begin{array}{l} \text { vertex: }(0,0) \ \text { focus: }(-3,0) \ \text { directrix: } x=3 \end{array}$
B) $\begin{array}{l} \text { vertex: }(0,0) \ \text { focus: }(3,0) \ \text { directrix: } x=-3 \end{array}$
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) $\begin{array}{l} \text { vertex: }(0,0) \ \text { focus: }(-3,0) \ \text { directrix: } x=3 \end{array}$ 
B) $\begin{array}{l} \text { vertex: }(0,0) \ \text { focus: }(3,0) \ \text { directrix: } x=-3 \end{array}$ 
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) $\begin{array}{l} \text { vertex: }(0,0) \ \text { focus: }(-3,0) \ \text { directrix: } x=3 \end{array}$ 
B) $\begin{array}{l} \text { vertex: }(0,0) \ \text { focus: }(3,0) \ \text { directrix: } x=-3 \end{array}$ 
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 $y^{2}=-12 x$