Math Forum http://mathforum.org/kb List of forum topics en Re: Please remind me why -3^2 = -9 http://mathforum.org/kb/thread.jspa?messageID=7925259&tstart=0#7925259 On Nov 18, 2012, at 10:57 AM, Matthews, George wrote:

> Not mentioned in previous responses to the question is]]> Nov 18, 2012 7:51:00 PM Nov 18, 2012 7:51:00 PM Schremmer.Alain@gmail.com 0 Re: Please remind me why -3^2 = -9 http://mathforum.org/kb/thread.jspa?messageID=7925151&tstart=0#7925151
About the conventional order of operations, I agree that]]> Nov 18, 2012 3:57:29 PM Nov 18, 2012 3:57:29 PM mahlerp@middlesex.mass.edu 0 RE: Please remind me why -3^2 = -9 http://mathforum.org/kb/thread.jspa?messageID=7925062&tstart=0#7925062 Exponents (powers) before Products]]> Nov 18, 2012 10:57:15 AM Nov 18, 2012 10:57:15 AM matthewg@sunyocc.edu 2 Re: Please remind me why -3^2 = -9 http://mathforum.org/kb/thread.jspa?messageID=7924988&tstart=0#7924988 ]]> Nov 18, 2012 6:28:33 AM Nov 18, 2012 6:28:33 AM EddieC 3 Re: Please remind me why -3^2 = -9 http://mathforum.org/kb/thread.jspa?messageID=7924283&tstart=0#7924283 > On Nov 14, 2012, at 11:25 PM, Beth Hentges wrote:

>> The reason we choose]]> Nov 16, 2012 3:29:31 PM Nov 16, 2012 3:29:31 PM Schremmer.Alain@gmail.com 0 Re: Please remind me why -3^2 = -9 http://mathforum.org/kb/thread.jspa?messageID=7923546&tstart=0#7923546
My #s are below

- --------------------------------------------------
From: "Beth Hentges"]]> Nov 15, 2012 2:36:28 AM Nov 15, 2012 2:36:28 AM clydegreeno@cox.net 1 Re: Please remind me why -3^2 = -9 http://mathforum.org/kb/thread.jspa?messageID=7923364&tstart=0#7923364
- -(3^2) is clear

We have to choose which we mean when we write the following.

- -3^2

The reason we]]> Nov 14, 2012 11:15:10 PM Nov 14, 2012 11:15:10 PM beth.hentges@century.edu 2 RE: Please remind me why -3^2 = -9 http://mathforum.org/kb/thread.jspa?messageID=7910155&tstart=0#7910155 ________________________________________
From: Clyde Greeno [clydegreeno@cox.net]
Sent: Friday, October 19,]]> Oct 21, 2012 10:24:15 AM Oct 21, 2012 10:24:15 AM wmackey@uark.edu 0 Re: Please remind me why -3^2 = -9 http://mathforum.org/kb/thread.jspa?messageID=7909282&tstart=0#7909282 On Oct 19, 2012, at 12:22 PM, Clyde Greeno wrote:

> A Mackey-prompted extension:
>
> "Below, insert]]> Oct 19, 2012 5:15:53 PM Oct 19, 2012 5:15:53 PM Schremmer.Alain@gmail.com 0 Re: Please remind me why -3^2 = -9 http://mathforum.org/kb/thread.jspa?messageID=7909106&tstart=0#7909106
"Below, insert parens to show two reasonable interpretations of '-x^y' ...
and circle the one that is most]]> Oct 19, 2012 12:22:34 PM Oct 19, 2012 12:22:34 PM clydegreeno@cox.net 5