Mathematics, 29.06.2019 03:00 ozzy1146
Find an equation of a parabola with a vertex at the origin of directrix y = -2.5
Answers: 1
, it means the axis of the parabola is parallel to the y-axis. 
, where 
,that is the distance between the vertex and the directrix.
. 
.
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Find an equation of a parabola with a vertex at the origin of directrix y = -2.5...
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