Re: Graphing Rotation of ellipse

To: CALC-TI@LISTS.PPP.TI.COM
Subject: Re: Graphing Rotation of ellipse
From: Dan Moraseski <dem@MORASESKI.IMA-NETREMOVE.COM>
Date: Wed, 15 Apr 1998 15:43:09 -0400
Organization: PSINet
References: <6h16uo$462s$1@newssvr04-int.news.prodigy.com>
Reply-To: Dan Moraseski <dem@MORASESKI.IMA-NETREMOVE.COM>
Xref: paladin.american.edu bit.listserv.calc-ti:22439

You can solve for y using the quadratic formula, and plot two functions
(corresponding to the + and -).
William Walters wrote in message
<6h16uo$462s$1@newssvr04-int.news.prodigy.com>...
>Can anyone tell me how to graph the following ellipse:
>
>   7X^2 - 6sqrt(3)XY + 9Y^2 - 16 = 0
>
>I have a TI-82 and a TI-83 for classroom demos and a personal TI-85, but
>would prefer not to use it.  If there is no way on the TI's, is there a
>graphical program for the computer?
>
>Bill Walters
>Poca High School
>Poca, WV
>

References:

Graphing Rotation of ellipse

From: William Walters <TMZJ41A@PRODIGY.COM>

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