Write the equation for a parabola with focus (0,-5/3) and directrix y=5/3.
Mathematics · Middle School · Tue Nov 03 2020
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the equation for a parabola with focus (0,-5/3) and directrix y=5/3.
The equation of parabola can be
x^2=4ay or x^2= - 4ay and the focus will be
(0, -a-). Focus has a negative y coordinate
Given focus (0,-5/3) so a=5/3
Then the equation will be x^2= - 4(5/3)y
x^2= - (20/3)y answer.