How do I find the directrix of the parabola y=2x^{2}?

cyrsvab

cyrsvab

Answered question

2022-02-10

How do I find the directrix of the parabola y=2x2?

Answer & Explanation

Dana Sanford

Dana Sanford

Beginner2022-02-11Added 10 answers

The eqn. of the directrix of the parabola x2=4by is given
by, y+b=0.
As, in our Problem b=18, the desired eqn. is,
y=18=0,or,8y+1=0.

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