A parabola has a vertex at the origin. The equation of the directrix of the parabola is y = 3. What are the coordinates of its f

Question

Anuta_ua [19.1K]

3 years ago

14

A parabola has a vertex at the origin. The equation of the directrix of the parabola is y = 3. What are the coordinates of its f

ocus? (0,3) (3,0) (0,–3) (–3,0)

Mathematics

2 answers:

mylen [45] · Answer 1 · 2022-02-09T16:56:51+03:00

mylen [45]3 years ago

7 0

Answer:

(0, -3)

Step-by-step explanation:

The vertex is halfway between the directrix and the focus. The vertex is at (0, 0) and the directrix is a (0, 3). There are 3 units between them, so that means that the focus is 3 units the other way at (0, -3).

Verdich [7] · Answer 2 · 2022-02-09T18:10:26+03:00

Verdich [7]3 years ago

4 0

Answer:0,-3

Step-by-step explanation:

just took test:)