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[xmca] a minus times a plus
- To: "eXtended Mind, Culture, Activity" <xmca@weber.ucsd.edu>
- Subject: [xmca] a minus times a plus
- From: Mike Cole <lchcmike@gmail.com>
- Date: Mon, 27 Apr 2009 15:47:40 -0700
- Delivered-to: xmca@weber.ucsd.edu
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Since we have some mathematically literate folks on xmca, could someone
please post an explanation of why
multiplying a negative number by a positive numbers yields a negative
number? What I would really love is an explanation
that is representable in a manner understandable to old college professors
and young high school students alike.
mike
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