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Topic: review and question
Replies: 13   Last Post: Jan 27, 2013 11:46 AM

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Mark Burfield

Posts: 35
Registered: 6/24/11
Re: review and question
Posted: Jan 20, 2013 9:06 PM
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Huh

Sent from my iPad

On Jan 20, 2013, at 5:32 PM, "TKENYON@crcs.wnyric.org<mailto:TKENYON@crcs.wnyric.org>" <TKENYON@crcs.wnyric.org<mailto:TKENYON@crcs.wnyric.org>> wrote:

The question first:
In Algebra 2, during review, I ran into a few older Regents exam questions about the discriminant. Why, if the discriminant is negative, do you get "two imaginary roots"? You don't. You get two complex roots; imaginary numbers are a subset of the complex numbers. 3+2i is NOT an imaginary number. Why the shift from correct vocabulary in one unit (A2.N.8 Determine the conjugate of a complex number) to incorrect vocabulary in another unit? Example: Jan 2011, #2.

And, I know that the quantity of stuff in the core has been pointed out before, but this weekend, I really thought "wow." I did three separate 4 hour review sessions for students in Algebra, Geometry, and Algebra 2. Relatively good students (as if that needed to be said - 4 hours of review on a Sat or Sunday?) But, Geometry: started at G.G.1, covered every one of them through G.G.74 - 100% of course in 4 hours, almost on the dot, including one full Regents, and every proof since 2005. Algebra - had to take a couple breaks with the one year younger students. Still, from A.N.1 through whatever it goes to, we hit about 90% of them, plus a full Regents exam. Algebra 2... This was the 3rd weekend that I did 4 hours of review with them. TWELVE hours of review, and we're close, but not quite through 100% of the core indicators.



-Tom Kenyon
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