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

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Hoa
 one year 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
 one year ago
Best ResponseYou've already chosen the best response.0how did you get that?

heathernelly
 one year 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
 one year 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
 one year 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
 one year ago
Best ResponseYou've already chosen the best response.1the directrix is y =p = 10

Hoa
 one year 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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