Date: Nov 30, 2012 5:01 PM
Author: Jonathan J. Crabtree
Subject: Re: Some important demonstrations on negative numbers
>

> On Nov 29, 2012, at 4:20 PM, Jonathan Crabtree

wrote:

>

> >> So what is i? I mean "i" as in the sqrt(-1), not

> the

> >> 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...

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Thank you!