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donnie1999
 one year ago
HELP ME!!!
What is the equation of the directrix of a parabola defined by the equation
y = x^2 − 2x − 3?
donnie1999
 one year ago
HELP ME!!! What is the equation of the directrix of a parabola defined by the equation y = x^2 − 2x − 3?

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anonymous
 one year ago
Best ResponseYou've already chosen the best response.0plug it in the desmoes

donnie1999
 one year ago
Best ResponseYou've already chosen the best response.0IDK wat a directrix is

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0If the parabola is rotated so that its vertex is (h,k) and its axis of symmetry is parallel to the xaxis, it has an equation of (y  k)^2 = 4p (x  h), where the focus is (h + p, k) and the directrix is x = h  p.

donnie1999
 one year ago
Best ResponseYou've already chosen the best response.0@aloud would the answer be y=4
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