document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=89448>Question 89448</A>: <I><SPAN STYLE=\"word-break: break-all;\"> PLEASE HELP ME WITH THIS FOUR PROBLEMS ABOUT WRITING AN EQUATION FOT THE CONIC SECTION THANK U I APPRECIATE YOUR SUPPORT I NEEDED FOR THIS MONDAY 24 ,JULY, 07\r<BR>\n" );
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document.write( "1. CIRCLE WITH CENTER AT (4, -3) AND A RADIUS OF 8.\r<BR>\n" );
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document.write( "2. PARABOLA WITH VERTIX OF (2,-4) AND FOCUS OF ( 2,2).\r<BR>\n" );
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document.write( "3. ELIPSE WITH VERTIXES (-4,0) AND (4,0) AND CO-VERTICES (0,-9) AND (0,9).\r<BR>\n" );
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document.write( "4. HYPERBOLA WITH VERTICES (1,2) AND (5,2) AND FOCI (-1,2) AND (7,2).\r<BR>\n" );
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document.write( "THANK YOU!!!!!  </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #65034 by </B><A HREF=/tutors/aboutme.mpl?userid=stanbon><B>stanbon(75887)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=stanbon><IMG SRC=http://www.algebra.com/images/aboutme-small.gif BORDER=0 alt=\"About Me\" VALIGN=MIDDLE></A>&nbsp;<IMG SRC=http://www.algebra.com/images/nopicture.jpg><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=65034\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> For each of these you should draw the picture so you see how vertices, foci,radius, etc. relate to one another.<BR>\n" );
document.write( "1. CIRCLE WITH CENTER AT (4, -3) AND A RADIUS OF 8.<BR>\n" );
document.write( "(x-4)^2+(y+3)^2 = 64<BR>\n" );
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document.write( "2. PARABOLA WITH VERTIX OF (2,-4) AND FOCUS OF ( 2,2).<BR>\n" );
document.write( "Form: (x-h)^2 = 4p(y-k)<BR>\n" );
document.write( "(x-2)^2 = 4*6(y+4)<BR>\n" );
document.write( "x^2-4x+4 = 24y+96<BR>\n" );
document.write( "x^2-4x-92 = 24y<BR>\n" );
document.write( "y = (1/24)x^2 -(1/6)x-(23/6)<BR>\n" );
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document.write( "3. ELIPSE WITH VERTIXES (-4,0) AND (4,0) AND CO-VERTICES (0,-9) AND (0,9).<BR>\n" );
document.write( "x^2/16 + y^2/81 = 1<BR>\n" );
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document.write( "4. HYPERBOLA WITH VERTICES (1,2) AND (5,2) AND FOCI (-1,2) AND (7,2). <BR>\n" );
document.write( "Form: (x-h)^2/a^2 - (y-k)^2/b^2 = 1<BR>\n" );
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document.write( "Vertices at (1,2),(5,2) implies center is at (3,2)<BR>\n" );
document.write( "Center at (3,2)and vertex at (5,2) implies a=2<BR>\n" );
document.write( "Center at (3,2) and focus at (7,2) implies c=4<BR>\n" );
document.write( "For ellipe b^2=c^2-a^2<BR>\n" );
document.write( "b^2 = 4^2-2^2 = 12<BR>\n" );
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document.write( "EQUATION:<BR>\n" );
document.write( "(x-3)^2/4 - (y-2)^2/12 = 1<BR>\n" );
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document.write( "Cheers,<BR>\n" );
document.write( "stan H. <BR>\n" );
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