Ask Question
2 February, 03:47

A parabola's focus is at (0,-2) and its directrix is at y=2. What is the equation for the parabola?

+3
Answers (1)
  1. 2 February, 03:52
    0
    y = - 8x

    Step-by-step explanation:

    Because the y-coordinate of the focus is - 2, it's below the directrix, y = 2. The vertex is at (0,0) Thus, the graph of the parabola opens down. The appropriate equation is y = 4px, where p = - 2. Thus, we have y = 4 (-2) x, or y = - 8x.
Know the Answer?
Not Sure About the Answer?
Find an answer to your question 👍 “A parabola's focus is at (0,-2) and its directrix is at y=2. What is the equation for the parabola? ...” in 📗 Mathematics if the answers seem to be not correct or there’s no answer. Try a smart search to find answers to similar questions.
Search for Other Answers