12x - 2y -4 x equals 8 and y equals -6 Is it 80 or 104?

is (2/3) -4 (that's a negative to the fourth power equal to -3/2:eek:

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- September 22nd 2006, 04:09 PMduckpluckieneed help with two problems
12x - 2y -4 x equals 8 and y equals -6 Is it 80 or 104?

is (2/3) -4 (that's a negative to the fourth power equal to -3/2:eek: - September 22nd 2006, 04:20 PMtopsquark
- September 22nd 2006, 04:23 PMtopsquark
- September 22nd 2006, 04:25 PMdan
- September 22nd 2006, 04:27 PMdan
- September 22nd 2006, 04:45 PMduckpluckiefrustrated and flummoxed
I don't have the correct math symbols - what I am trying to do is find out if

-3/2 is equivalent to (2/3) with a - tiny 4 - (a negative 4th power) Sorry I can't do better - I am a behavioral psych who play with primates and counts on her fingers and toes - September 22nd 2006, 05:59 PMtopsquark
First, please post responses as a reply in the original thread. It makes for easier reading. Hopefully one of the mods will move it there.

Apparently my guess in the other thread is correct. So as I showed there:

(2/3)^{-4} = 81/16 is NOT equal to -3/2.

Don't worry about not knowing the symbols. We'll figure it out sooner or later. :)

-Dan - September 22nd 2006, 09:59 PMCaptainBlack