SOLUTION: Please explain the necessary steps to solve the following question: Find the vertex, focus,a nd directrix of the parabola given by the equaiton x^2 = -8y

Algebra ->  Trigonometry-basics -> SOLUTION: Please explain the necessary steps to solve the following question: Find the vertex, focus,a nd directrix of the parabola given by the equaiton x^2 = -8y      Log On


   

Question 860390: Please explain the necessary steps to solve the following question:
Find the vertex, focus,a nd directrix of the parabola given by the equaiton x^2 = -8y
Answer by ewatrrr(24785) About Me  (Show Source):
You can put this solution on YOUR website!
 

Hi,

x^2 = -8y

  y = (-1/8)(x)^2  V(0,0)  y-axis line of symmetry

a+=+1%2F%284p%29+=+1%2F-8, p = -2, focus(0,-2), y = 2 directrix