A parabola has a vertex at (0,0). The focus of the parabola is located at (4,0). What is the equation of the directrix? x=−4 y=−

Question

2 years ago

13

4 x=4 y=4

2 answers:

rewona [7] · Answer 1 · 2022-12-10T08:07:31+03:00

rewona [7]2 years ago

7 0

Answer:

Step-by-step explanation:

The vertex and focus are horizon aligned, so the parabola is horizontal and the directrix is a vertical line.

The vertex is halfway between focus and directrix. Directrix: x = -4

Greeley [361] · Answer 2 · 2022-12-10T10:06:03+03:00

5 0

Answer:

-4

Step-by-step explanation:

Got it right on edge