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a parabola has a vertex at the orgin.The focus of the parabola is located at (-2,0).Which is the equation for the directrix related to the parabola?
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a parabola has a vertex at the orgin.The focus of the parabola is located at (-2,0).Which is the equation for the directrix related to the parabola?

User Marqueed
by
8.4k points

2 Answers

4 votes

Answer:

x=2

Explanation:

or B for ed 2021

User Kyle Alons
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7.7k points
6 votes
The focus is left of the vertex, so the parabola opens to the left. The vertex is halfway between the focus and directrix, so the directrix is the vertical line
x = 2
User Eduherminio
by
7.5k points
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