katiem21
katiem21 katiem21
  • 12-04-2017
  • Mathematics
contestada

helppp. i dont get this

helppp i dont get this class=

Respuesta :

apologiabiology
apologiabiology apologiabiology
  • 12-04-2017
focus is below the vertex
this means the parabola opens down
this means the directix will cross the positive part of the y axis
and since it is negative, in form x²=4py the value of p is negative

answer is 1st option and last option
Answer Link

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