Ask Question
21 July, 16:13

Consider the parabola (y + 1) 2 = 2 (x + 1). Which equation is used to find the directrix?

+5
Answers (1)
  1. 21 July, 17:50
    0
    For finding the directrix you don't need any equations.

    (y-b) ^2=4p (x-a)

    this is a Horizontal parabola.

    the distance between directrix and vortex is p

    p is 1/2 and vortex is (-1,-1) so directrix passes from - 1/2.

    x=-1/2
Know the Answer?
Not Sure About the Answer?
Get an answer to your question ✅ “Consider the parabola (y + 1) 2 = 2 (x + 1). Which equation is used to find the directrix? ...” in 📙 Mathematics if there is no answer or all answers are wrong, use a search bar and try to find the answer among similar questions.
Search for Other Answers