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ANTONII [103]
3 years ago
11

a parabola has a vertex at the orgin.The focus of the parabola is located at (-2,0).Which is the equation for the directrix rela

ted to the parabola?
Mathematics
1 answer:
pishuonlain [190]3 years ago
6 0
The focus is left of the vertex, so the parabola opens to the left. The vertex is halfway between the focus and directrix, so the directrix is the vertical line
  x = 2
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(-1, 0)

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