What is the length of latus rectum of a parabola, whose equation is #y^2+12x=0#?
1 Answer
Length of latus rectum is
Explanation:
For a vertical parabola equation is
In the equation
Length of latus rectum is four times than the distance of focus from vertex.
Here equation is
Hence vertex is
graph{(y^2+12x)(x^2+y^2-0.1)((x+3)^2+y^2-0.1)((x+3)^2+(y-6)^2-0.1)((x+3)^2+(y+6)^2-0.1)=0 [-18, 14, -8, 8]}