Date: Nov 30, 2012 5:01 PM
Author: Jonathan Crabtree
Subject: Re: Some important demonstrations on negative numbers
> On Nov 29, 2012, at 4:20 PM, Jonathan Crabtree
> >> So what is i? I mean "i" as in the sqrt(-1), not
> >> pronoun.
> >> Bob Hansen
> > If you were to write the above using words only,
> without both abbreviations and symbols, what would
> you write?
> What number multiplied by itself once then added to
> one is zero?
> Bob Hansen
OK thanks Bob. That was a great answer! Please keep playing along with the next question. You might even get your son to answer with just a single word...
A number added to itself once, is said to have been WHAT?
A number added to itself once, is said to have been...