valentine's day

rgoin	Posted 2/15/2006 7:55 AM (#658) Subject: valentine's day
Math Posts: 108 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 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 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 Location: Henry Clay	. . . I'm working on it - I could make a nice looking tomato (in polar coordinates) if anyone is interested