Mathematics
Mathematics, 07.10.2020 01:01, hp1013756

A parabola can be represented by the equation y2 = - *. What are the coordinates of the focus and the equation
of the directrix?
0
V
O focus: () directrix: * =
=
O focus: (10) directrix: x=-
O focus: (-4,0); directrix: x = 4
O focus: (4,0); directrix: x = -4

answer
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A parabola can be represented by the equation y2 = - *. What are the coordinates of the focus and t...

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