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OpenStudy (theraggedydoctor):
If \(k^2-4=4-k^2\), what are all the possible values of \(k\)?
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OpenStudy (kainui):
It appears that if we find one value of k that works, if we substitute in -k everywhere that will also work. Any ideas?
OpenStudy (theraggedydoctor):
Nope. I dont get this.. I just have the question and choices, but I dunno if you want them..
OpenStudy (butterflydreamer):
it would be helpful to post the choices :)
OpenStudy (theraggedydoctor):
Okay. 0 only 2 only 4 only -2 and 2 only -2,0 and 2
OpenStudy (butterflydreamer):
okey dokey. |dw:1430658908512:dw|
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