Mathematics Instructional Learning Community
Mathematics Instructional Learning Community
The Mathematics Instructional Learning Community (MILC) Project is an alliance among Fayette County Public Schools (FCPS) math teachers focusing on:
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  • Developing, implementing and revising units of study.
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"'Obvious' is the most dangerous word in mathematics." (Eric Temple Bell)
valentine's day
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rgoin
Posted 2/15/2006 7:55 AM (#658)
Subject: valentine's day


Math

Posts: 108
100
Location: Henry Clay
I meant to post this earlier, but valentine’s kind-of snuck up on me.
Have the students put the following in their graphing calculator
Y1 = abs(x) + sqrt(1-x^2)
Y2 = abs(x) – sqrt(1-x^2)
A good window is xmin = -2, xmax = 2, ymin = -2, ymax = 2.
(you may also want to turn the axes off)
dhays
Posted 2/15/2006 9:07 PM (#660 - in reply to #658)
Subject: RE: valentine's day
Math

Posts: 119
100
Location: Henry Clay
This was cute. The kids enjoyed it. Thanks!
scombs
Posted 2/17/2006 3:00 PM (#673 - in reply to #658)
Subject: RE: valentine's day
Math

Posts: 104
100
Location: Henry Clay
My kids enjoyed it as well. Thanks for sharing! Does anyone have a formula that will graph Washington's head for President's day?
rgoin
Posted 2/21/2006 11:21 AM (#680 - in reply to #658)
Subject: RE: valentine's day


Math

Posts: 108
100
Location: Henry Clay
. . . I'm working on it -
I could make a nice looking tomato (in polar coordinates) if anyone is interested
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