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Mathematics 17 Online
OpenStudy (anonymous):

what is the length of the major axis of the conic section shown below? (x+2)^2 / 49+ (y-1)^2 / 25 = 1

OpenStudy (anonymous):

\[\frac{ (x+2)^2 }{ 49 } + \frac{ (y-1)^2 }{ 25 }= 1\]

OpenStudy (anonymous):

49 and 25, which one is bigger?

OpenStudy (anonymous):

49

OpenStudy (anonymous):

and 49 = 7^2 , right?

OpenStudy (anonymous):

yes ... would it simply be 7 ...

OpenStudy (anonymous):

|dw:1402875658499:dw|

OpenStudy (anonymous):

really i thought i was gonna use this formula like 2a or 2b cuz theres alot of those haha

OpenStudy (anonymous):

but the length of major axis is |dw:1402875709615:dw|

OpenStudy (anonymous):

not just 7, ok?

OpenStudy (mathmale):

|dw:1402875696017:dw|

OpenStudy (anonymous):

double it and 14 then ...

OpenStudy (mathmale):

Cool. Too cool.

OpenStudy (anonymous):

hihihihi @mathmale don't I miss anything, right?

OpenStudy (anonymous):

*I don't

OpenStudy (anonymous):

mmmhhh soo by major axis they mean the whole length then

OpenStudy (mathmale):

@ooops: You've done fine. thanks for your contributions here!

OpenStudy (mathmale):

that's my interpretation: if the semimajor axis has length 7, the length of the major axis is twice that, or 14.

OpenStudy (anonymous):

mmmhhh okkkk then n_n

OpenStudy (anonymous):

" Thank You n_n "

OpenStudy (anonymous):

are you eating something else? hahahaha. mmmnnnhhh, yes. you are right.

OpenStudy (anonymous):

hehehehe nope well actually eating a popsicle stick hehehe :)

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