SOLUTION: a parabola has focus at (0,3) and vertex at the origin. which could be the equation of the directrix

SOLUTION: a parabola has focus at (0,3) and vertex at the origin. which could be the equation of the directrix

Algebra.Com

Question 878663: a parabola has focus at (0,3) and vertex at the origin. which could be the equation of the directrix
Answer by josgarithmetic(39620) (Show Source): You can put this solution on YOUR website!
The directrix is on the other side from the vertex, same distance from it. Look three units downward to know where is the directrix. This includes the point (0,-3), and will be the line for all (x,-3). The directrix is the line .
RELATED QUESTIONS
Find the length of the latus rectum and the equation of the parabola with vertex at the... (answered by CPhill)

Find the equation of the parabola with vertex at origin and directrix as... (answered by Fombitz)

Write an equation of a parabola with a vertex at the origin. 8. focus (0, 2) 9.... (answered by nerdybill)

Find the standard form of the equation of the parabola with a vertex at the origin and a... (answered by josgarithmetic)

A parabola has its vertex at the origin, and the equation of its directrix is y=-10. Find (answered by ewatrrr)

A parabola has its vertex at the origin, and the coordinates of its focus are (0,10).... (answered by josgarithmetic)

Write an equation of a parabola with vertex at the origin and the given focus. 1. focus... (answered by lwsshak3)

write the equation of a parabola with a vertex at the origin and a focus of (0,... (answered by greenestamps,MathTherapy)

Find the equation of the parabola with vertex at the origin, focus at (3m, 0) and... (answered by josgarithmetic)