Register
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?
169k views
5 votes
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
5.5k points

2 Answers

4 votes

Answer:

x=2

Explanation:

or B for ed 2021

User Kyle Alons
by
5.1k 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
5.0k points
Ask a Question
Welcome to QAmmunity.org, where you can ask questions and receive answers from other members of our community.

5.9m questions

7.7m answers

Other Questions

Solve for y in terms of x. 2/3y - 4 = x y = x + 6 y = -x + 4 y = -x + 6 y = x + 4
Aliyah has $24 to spend on seven pencils. After buying them she had $10. How much did each pencil cost?
Use the normal model ​n(11371137​,9696​) for the weights of steers. ​a) what weight represents the 3737thth ​percentile? ​b) what weight represents the 9999thth ​percentile? ​c) what's the iqr of the weights
Evaluate a + b when a = –16.2 and b = –11.4 A. –27.6 B. –4.8 C. 4.8 D. 27.6
What is the value of x? (-4) - x = 5
Link Copied!