SOLUTION: Write the standard form of the equation of the conic section with the given charateristics. 1. Parabola with vertex at (0, 0) and directrix at x = 5.

Algebra ->  Quadratic-relations-and-conic-sections -> SOLUTION: Write the standard form of the equation of the conic section with the given charateristics. 1. Parabola with vertex at (0, 0) and directrix at x = 5.       Log On


   

Question 409517: Write the standard form of the equation of the conic section with the given charateristics.
1. Parabola with vertex at (0, 0) and directrix at x = 5.

Answer by ewatrrr(24785) About Me  (Show Source):
You can put this solution on YOUR website!


Hi

sketching parabola: Format: (y-k)^2 = 4p(x-h)

I. Vertex is Pt(0,0)

II. Opens left.  Line of symmetry is the x-axis

III. Directrix is x = 5  -p = 5  OR p = -5  and 4p = -20

 y^2 = -20x   OR  x = (-1/20)y^2