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heathernelly
 2 years ago
Identify the vertex, focus, and directrix of the parabola with the equation x^2 – 6x – 8y + 49 = 0
heathernelly
 2 years ago
Identify the vertex, focus, and directrix of the parabola with the equation x^2 – 6x – 8y + 49 = 0

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Hoa
 2 years ago
Best ResponseYou've already chosen the best response.1we have formula to figure out the focus and directrix. temporarily cannot remember. let me check

heathernelly
 2 years ago
Best ResponseYou've already chosen the best response.0how did you get that?

heathernelly
 2 years ago
Best ResponseYou've already chosen the best response.0like can you show me step by step please because i have a bunch of other problems that are the same :)

Hoa
 2 years ago
Best ResponseYou've already chosen the best response.1to get vertex, you isolate y, take y', let y'=0 to get x, y of the vertex

Hoa
 2 years ago
Best ResponseYou've already chosen the best response.1to get focus, you have formula x^2 =4py, your x is (x3) your y = y5> p =10

Hoa
 2 years ago
Best ResponseYou've already chosen the best response.1the directrix is y =p = 10

Hoa
 2 years ago
Best ResponseYou've already chosen the best response.1I think so. check your answer book. long time , i may not be right.
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