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Nikitich [7]
3 years ago
8

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

Mathematics
1 answer:
Aleksandr-060686 [28]3 years ago
6 0
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
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