Question

Derive the equation of the parabola with a focus at (2, 4) and a directrix of y = 8.

f(x) = −one eighth (x − 2)2 + 6

f(x) = one eighth (x − 2)2 + 6

f(x) = −one eighth (x + 2)2 + 8

f(x) = one eighth (x + 2)2 + 8

Answer 1

I think it is D.

Answer 2

mathletes need help huh??

Answer 3

Dude im 15 XD
Of course i need help XD

Answer 4

stick i tout show the world you got it bubble butt bubble bubble bubble butt XD

Answer 5

*shoots V* smh.

Answer 6

revies my self shoots night

Answer 7

"good night undeadknight"
BOOM
oh and hey its chucky00 :D

Answer 8

SOME BODY HELP ME DAMMIT D:

Answer 9

ok

Answer 10

the answer is

Answer 11

well i have to give u a long explanation so lemme type it it will take me 30-40 mins ima slow typer

Answer 12

*stares*

Answer 13

so blah blah blah *30 mins later so the answer would be

Answer 14

oh for got to carry the 1

Answer 15

so give me another 30 mins

Answer 16

*30 mins later* ok so the answer is wait forgot about the damn 8

Answer 17

its c XD

Answer 18

LOL can you tell me why?

Answer 19

Unless you wanna do 4 more for me XD