Mathematics
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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
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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 ...
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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|
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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
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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.
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OpenStudy (anonymous):
hehehehe nope well actually eating a popsicle stick hehehe :)