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Topic: [ap-calculus] Number System
Replies: 2   Last Post: Oct 17, 2012 3:17 PM

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John Hanna

Posts: 106
Registered: 1/8/11
RE: [ap-calculus] Number System
Posted: Oct 17, 2012 3:10 PM
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NOTE:
This ap-calculus EDG will be closing in the next few weeks. Please sign up for the new AP Calculus
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The Reals are a subset of the Complex.

In the 'complex plane' there is a real axis and an imaginary axis. The plane
then represents the set of Complex numbers and operations are modeled by
vector operations. How cool is that?

Imaginary numbers are of the form 0+bi. Nothing special there.

John Hanna
jehanna@optonline.net
www.johnhanna.us
T3 - Teachers Teaching with Technology
"the future isn't what it used to be."

-----Original Message-----
From: Debbie Bricker [mailto:dbricker@cathedralcatholic.org]
Sent: Wednesday, October 17, 2012 1:25 PM
To: AP Calculus
Subject: [ap-calculus] Number System

NOTE:
This ap-calculus EDG will be closing in the next few weeks. Please sign up
for the new AP Calculus
Teacher Community Forum at
https://apcommunity.collegeboard.org/getting-started
and post messages there.
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We are having this discussion among our department....which is correct?
1) Number System having two subsets: Real(rational and irrational) and
Imaginary(which includes complex numbers) OR

2) Complex Number System having two subsets: Real and Imaginary
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