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-36y=x^2 The directrix of the parabola is:

-36y=x^2 The directrix of the parabola is:
asked 232k views
2 votes
-36y=x^2 The directrix of the parabola is:

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User Nastro
by
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2 Answers

2 votes

Answer:

Its actually y=9

Explanation:

answered
User Nik Klassen
by
7.6k points
1 vote
Here, the equation of parabola is: (-36y)=x^2
The standard form of parabola is:

(X-h)^2=4p(y-k).
According to given equation, vertex = (0,0) and p = -9
This a vertical parabola opening down, because p = -9 here.
Therefore ditectrix will be y= -9
answered
User Garvin
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