Date: Nov 30, 2012 5:42 PM
Author: Robert Hansen
Subject: Re: Some important demonstrations on negative numbers
Doubled.

Bob Hansen

On Nov 30, 2012, at 5:01 PM, Jonathan Crabtree <sendtojonathan@yahoo.com.au> wrote:

>>

>> 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...

>

> ==========

> Thank you!