katiem21
katiem21
12-04-2017
Mathematics
contestada
helppp. i dont get this
Respuesta :
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
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