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Topic: Algebra Regents
Replies: 10   Last Post: Jun 21, 2012 5:56 AM

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Ian Dunst

Posts: 11
Registered: 6/15/12
RE: Algebra Regents
Posted: Jun 15, 2012 3:28 PM
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Hi everyone,



I also called to complain, however they referred to the state definition
of a root as found on the glossary at:
http://emsc32.nysed.gov/ciai/mst/math/glossary/home.html



Specifically, here is the root definition:



root of an equation (A) (A2T) A solution to an equation of the form
f(x) = 0.



Example: A root of the equation y = 6x - 18 is 3 because when 3 is
substituted in for x, the value of y = 0.

Example: The roots of are and . The equation is true if we
substitute either or into the equation.

Even though this definition is pretty clear as to the need for the roots
to be stated as a solution, the wording of the question is very
misleading after referring to the graph for providing the answer.



Also, while we were chatting, she also stated that any intercept is the
value as well, and not the coordinate. For example, the y-intercept of
y=3x+5 is 5, and not (0,5). Who knows, maybe something like this might
appear in the future, where semantics between definitions are used to
catch students!



Have a great weekend everyone!



Ian Dunst

Director of Mathematics

Half Hollow Hills CSD

631-592-3190





-----Original Message-----
From: owner-amtnys@mathforum.org [mailto:owner-amtnys@mathforum.org] On
Behalf Of Catherine Weaver
Sent: Friday, June 15, 2012 2:57 PM
To: amtnys@mathforum.org
Subject: Re: Algebra Regents



We strongly disagree, but were told by the state that it had to be x
=-4 and x =2. ii argued that students displayed understanding by
locating the points on the graph.



Cathy Weaver

Math Teacher

Math Department Chair

Batavia High School

Email: cweaver@bataviacsd.org <mailto:cweaver@bataviacsd.org>

Voicemail: Ext. 7530



>>> Natasha Hazell <nhazell@gmail.com <mailto:nhazell@gmail.com> >
6/15/2012 2:47 PM >>>

Any thoughts about #34 on yesterday's algebra exam? Anyone
agre/disagree with the rubric not allowing full credit if the student
lists the coordinates instead of writing x =-4 and x =2?



--

-Natasha






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