Question

GIVING MEDALS AND FAN!

Find the vertex, focus, directrix, and focal width of the parabola.

-1/12x^2= y

Answer 1

@sangya21 @hartnn @aum @ganeshie8 @ZeldaOfHyrule

Answer 2

-1/12 x^2=y

or, x^2=-12y

This is a parabola of the fourth standard.

It can be compared to x^2=-4ay


So, -4a=-12
a=3

Vertex C(0,0)

Focus F(0,-a)= F(0,-3)

Directrix: y+3=0

Answer 3

so is the vertex -3?

Answer 4

@Navket_Jha ?

Answer 5

No, The vertex is a point. and according to this question its the origin