webslngr94 webslngr94

22-01-2018
Mathematics

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

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tiara143 tiara143

22-01-2018

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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markalakdndn markalakdndn

19-03-2021

Answer:

Its actually y=9

Step-by-step explanation:

Answer Link

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